Fixed typos and resolved flake8 issues

9 files changed, 120 insertions, 134 deletions

diff --git a/src/frontEnd/Application.py b/src/frontEnd/Application.py
index b852a941..24955c60 100755..100644
--- a/src/frontEnd/Application.py
+++ b/src/frontEnd/Application.py
@@ -18,9 +18,9 @@
 # =========================================================================
 
 import os
-
 import traceback
-if os.name == 'nt':     # noqa
+
+if os.name == 'nt':
     from frontEnd import pathmagic  # noqa:F401
     init_path = ''
 else:
@@ -90,7 +90,7 @@ class Application(QtWidgets.QMainWindow):
 
             - Top-tool-bar (New project, Open project, Close project, \
                 Mode switch, Help option)
-            - Left-tool-bar (Open Schematic, Convert KiCad to NgSpice, \
+            - Left-tool-bar (Open Schematic, Convert KiCad to Ngspice, \
                 Simuation, Model Editor, Subcircuit, NGHDL, Modelica \
                 Converter, OM Optimisation)
         """
@@ -187,7 +187,7 @@ class Application(QtWidgets.QMainWindow):
 
         self.conversion = QtWidgets.QAction(
             QtGui.QIcon(init_path + 'images/ki-ng.png'),
-            '<b>Convert Kicad to Ngspice</b>', self
+            '<b>Convert KiCad to Ngspice</b>', self
         )
         self.conversion.triggered.connect(self.obj_kicad.openKicadToNgspice)
 
@@ -210,7 +210,7 @@ class Application(QtWidgets.QMainWindow):
         self.subcircuit.triggered.connect(self.open_subcircuit)
 
         self.nghdl = QtWidgets.QAction(
-            QtGui.QIcon(init_path + 'images/nghdl.png'), '<b>Nghdl</b>', self
+            QtGui.QIcon(init_path + 'images/nghdl.png'), '<b>NGHDL</b>', self
         )
         self.nghdl.triggered.connect(self.open_nghdl)
 
@@ -516,7 +516,7 @@ class Application(QtWidgets.QMainWindow):
             self.msg.setWindowTitle("Error Message")
             self.msg.setModal(True)
             self.msg.showMessage(
-                'Please save and close all the Kicad ' +
+                'Please save and close all the KiCad ' +
                 'windows first, then change the mode'
             )
             self.msg.exec_()
@@ -560,18 +560,18 @@ class Application(QtWidgets.QMainWindow):
             if self.obj_Mainview.obj_dockarea.ngspiceEditor(
                     self.projDir) is False:
                 print(
-                    "No netlist file (*.cir.out)"
-                    "Check netlist file to change simulation parameters."
+                    "Netlist file (*.cir.out) not found."
                 )
 
                 self.msg = QtWidgets.QErrorMessage()
                 self.msg.setModal(True)
-                self.msg.setWindowTitle("Warning Message")
+                self.msg.setWindowTitle("Error Message")
                 self.msg.showMessage(
-                    'No netlist file (*.cir.out)'
+                    'Netlist file (*.cir.out) not found.'
                 )
                 self.msg.exec_()
                 return
+
             currTime = time.time()
             count = 0
             while True:
@@ -582,13 +582,14 @@ class Application(QtWidgets.QMainWindow):
                     #     proc = 'xterm'
 
                     # Edited by Sumanto Kar 25/08/2021
-                    if os.name != 'nt' and self.checkIfProcessRunning('xterm') is False:
+                    if os.name != 'nt' and \
+                            self.checkIfProcessRunning('xterm') is False:
                         self.msg = QtWidgets.QErrorMessage()
                         self.msg.setModal(True)
                         self.msg.setWindowTitle("Warning Message")
                         self.msg.showMessage(
                             'Simulation was interrupted/failed. '
-                            'Please close all the Xterm windows '
+                            'Please close all the Ngspice windows '
                             'and then rerun the simulation.'
                         )
                         self.msg.exec_()
@@ -794,8 +795,8 @@ class Application(QtWidgets.QMainWindow):
             self.msg.setModal(True)
             self.msg.setWindowTitle("Error Message")
             self.msg.showMessage(
-                'Please select the project first. ' +
-                'You can either create a new project or open existing project'
+                'Please select the project first. You can either ' +
+                'create a new project or open an existing project'
             )
             self.msg.exec_()
 
diff --git a/src/kicadtoNgspice/KicadtoNgspice.py b/src/kicadtoNgspice/KicadtoNgspice.py
index 93cf6a4e..28294be1 100644
--- a/src/kicadtoNgspice/KicadtoNgspice.py
+++ b/src/kicadtoNgspice/KicadtoNgspice.py
@@ -663,7 +663,7 @@ class MainWindow(QtWidgets.QWidget):
             print("=========================================================")
             self.createNetlistFile(store_schematicInfo, plotText)
 
-            self.msg = "The Kicad to Ngspice Conversion completed "
+            self.msg = "The KiCad to Ngspice conversion completed "
             self.msg += "successfully!"
             QtWidgets.QMessageBox.information(
                 self, "Information", self.msg, QtWidgets.QMessageBox.Ok
diff --git a/src/kicadtoNgspice/Processing.py b/src/kicadtoNgspice/Processing.py
index 494c49b4..94a2e51f 100644
--- a/src/kicadtoNgspice/Processing.py
+++ b/src/kicadtoNgspice/Processing.py
@@ -318,7 +318,7 @@ class PrcocessNetlist:
                                 for item in param:
                                     # print "Tags ",item.tag
                                     # print "Value",item.text
-                                    if 'vector'in item.attrib:
+                                    if 'vector' in item.attrib:
                                         # print "Tag having vector attribute",\
                                         # item.tag,item.attrib['vector']
                                         temp_count = 1
diff --git a/src/maker/Maker.py b/src/maker/Maker.py
index 9f4263c2..c7a66204 100755
--- a/src/maker/Maker.py
+++ b/src/maker/Maker.py
@@ -27,17 +27,11 @@
 # =========================================================================
 
 # importing the files and libraries
-from xml.etree import ElementTree as ET  # noqa:F401
 import hdlparse.verilog_parser as vlog
-import time  # noqa:F401
 from PyQt5 import QtCore, QtWidgets
-from PyQt5.QtCore import QThread, Qt  # noqa:F401
-from PyQt5.QtWidgets \
-    import QApplication, \
-    QWidget, QLabel, QVBoxLayout  # noqa:F401
+from PyQt5.QtCore import QThread
 from configuration.Appconfig import Appconfig
 import os
-import subprocess  # noqa:F401
 import watchdog.events
 import watchdog.observers
 from os.path import expanduser
@@ -101,7 +95,7 @@ class Maker(QtWidgets.QWidget):
         # self.grid.addWidget(self.creategroup(), 1, 0, 5, 0)
         self.show()
 
-    # This function is to Add new  verilog file
+    # This function is to Add new verilog file
     def addverilog(self):
 
         init_path = '../../'
@@ -109,7 +103,7 @@ class Maker(QtWidgets.QWidget):
             init_path = ''
         self.verilogfile = QtCore.QDir.toNativeSeparators(
             QtWidgets.QFileDialog.getOpenFileName(
-                self, "Open verilog Directory",
+                self, "Open Verilog Directory",
                 init_path + "home", "*v"
             )[0]
         )
@@ -120,9 +114,10 @@ class Maker(QtWidgets.QWidget):
             reply = QtWidgets.QMessageBox.critical(
                 None,
                 "Error Message",
-                "<b>Error: No Verilog File Chosen.\
-                Please chose a Verilog file</b>",
+                "<b>No Verilog File Chosen. \
+                Please choose a verilog file.</b>",
                 QtWidgets.QMessageBox.Ok | QtWidgets.QMessageBox.Cancel)
+
             if reply == QtWidgets.QMessageBox.Ok:
                 self.addverilog()
 
@@ -211,12 +206,12 @@ class Maker(QtWidgets.QWidget):
     def runmakerchip(self):
         init_path = '../../'
         if os.name == 'nt':
-            init_path = ''  # noqa:F841
+            init_path = ''
         try:
             if not makerchipTOSAccepted(True):
                 return
 
-            print("Running Makerchip..............................")
+            print("Running Makerchip IDE...........................")
             # self.file = open(self.verilogfile,"w")
             # self.file.write(self.entry_var[1].toPlainText())
             # self.file.close()
@@ -246,13 +241,13 @@ class Maker(QtWidgets.QWidget):
                     file = os.path.basename('.'.join(
                         self.verilogfile.split('.')[:-1]))
                     f = open(filename, 'w')
-                    flag = 1  # noqa F841
-                    ports = ""  # noqa F841
                     code = code.replace(" wire ", " ")
                     code = code.replace(" reg ", " ")
                     vlog_ex = vlog.VerilogExtractor()
                     vlog_mods = vlog_ex.extract_objects_from_source(code)
-                    lint_off = open(init_path + "library/tlv/lint_off.txt").readlines()
+                    lint_off = open(
+                        init_path + "library/tlv/lint_off.txt"
+                    ).readlines()
                     string = '''\\TLV_version 1d: tl-x.org\n\\SV\n'''
                     for item in lint_off:
                         string += "/* verilator lint_off " + \
@@ -281,11 +276,11 @@ output logic passed, output logic failed);\n'''
                             "Error Message",
                             "<b>Error: File name and module \
                             name are not same. Please \
-                            ensure that they are same</b>",
+                            ensure that they are same.</b>",
                             QtWidgets.QMessageBox.Ok)
 
                         self.obj_Appconfig.print_info(
-                            'NgVeri Stopped due to File \
+                            'NgVeri stopped due to file \
 name and module name not matching error')
                         return
                     string += "//The $random() can be replaced \
@@ -325,7 +320,7 @@ Add \\TLV here if desired\
             print("File: " + filename)
             self.process.start(cmd)
             print(
-                "Makerchip command process pid ---------- >",
+                "Makerchip IDE command process pid ---------->",
                 self.process.pid())
         except BaseException as e:
             print(e)
@@ -333,11 +328,11 @@ Add \\TLV here if desired\
             self.msg.setModal(True)
             self.msg.setWindowTitle("Error Message")
             self.msg.showMessage(
-                "Error in running Makerchip. \
-Please check if Verilog File Chosen.")
+                "Error in running Makerchip IDE. \
+Please check if verilog file is chosen.")
             self.msg.exec_()
-            print("Error in running Makerchip. \
-Please check if Verilog File Chosen.")
+            print("Error in running Makerchip IDE. \
+Please check if verilog file is chosen.")
         #   initial = self.read_file()
 
         # while True:
@@ -402,7 +397,6 @@ Please check if Verilog File Chosen.")
 
     # This function adds the other parts of widget like text box
     def creategroup(self):
-
         self.trbox = QtWidgets.QGroupBox()
         self.trbox.setTitle(".tlv file")
         # self.trbox.setDisabled(True)
@@ -413,7 +407,7 @@ Please check if Verilog File Chosen.")
         self.start = QtWidgets.QLabel("Path to .tlv file")
         self.trgrid.addWidget(self.start, 1, 0)
         self.count = 0
-        self.entry_var[self.count] = QtWidgets.QLabel(" - ")
+        self.entry_var[self.count] = QtWidgets.QLabel()
         self.trgrid.addWidget(self.entry_var[self.count], 1, 1)
         self.entry_var[self.count].setMaximumWidth(1000)
         self.count += 1
diff --git a/src/maker/ModelGeneration.py b/src/maker/ModelGeneration.py
index cbb268af..49d5da0b 100755
--- a/src/maker/ModelGeneration.py
+++ b/src/maker/ModelGeneration.py
@@ -30,19 +30,14 @@
 # importing the files and libraries
 import re
 import os
-import sys  # noqa:F401
-import shutil  # noqa:F401
-import subprocess  # noqa:F401
-from PyQt5 import QtGui, QtCore, QtWidgets  # noqa:F401
-from PyQt5.QtGui import *  # noqa:F401 F403
+from PyQt5 import QtCore, QtWidgets
 from configparser import ConfigParser
 from configuration import Appconfig
 from . import createkicad
 import hdlparse.verilog_parser as vlog
 
-# Class is used to generate the Ngspice Model
-
 
+# Class is used to generate the Ngspice Model
 class ModelGeneration(QtWidgets.QWidget):
 
     # initialising the variables
@@ -75,11 +70,12 @@ class ModelGeneration(QtWidgets.QWidget):
         self.release_dir = self.parser.get('NGHDL', 'RELEASE')
         self.src_home = self.parser.get('SRC', 'SRC_HOME')
         self.licensefile = self.parser.get('SRC', 'LICENSE')
-        self.digital_home = self.parser.get('NGHDL', 'DIGITAL_MODEL') + "/Ngveri"
+        self.digital_home = self.parser.get(
+                            'NGHDL', 'DIGITAL_MODEL') + "/Ngveri"
         # # #### Creating connection_info.txt file from verilog file #### #
 
-    # Readinf the file and performing operations and copying it in the Ngspice
-    # folder
+    # Reading the file and performing operations and
+    # copying it in the Ngspice folder
     def verilogfile(self):
         Text = "<span style=\" font-size:25pt;\
          font-weight:1000; color:#008000;\" >"
@@ -111,17 +107,21 @@ class ModelGeneration(QtWidgets.QWidget):
         f.write("\n")
         f.close()
 
-    # This function is call the sandpiper to convert .tlv file to .sv file
+    # This function calls the sandpiper to convert .tlv file to .sv file
     def sandpiper(self):
         init_path = '../../'
         if os.name == 'nt':
             init_path = ''
         # Text="Running Sandpiper............"
         print("Running Sandpiper-Saas for TLV to SV Conversion")
-        self.cmd = "cp " + init_path + "library/tlv/clk_gate.v " + init_path + "library/tlv/pseudo_rand.sv "\
- + init_path + "library/tlv/sandpiper.vh " + init_path + "library/tlv/sandpiper_gen.vh "\
- + init_path + "library/tlv/sp_default.vh " + init_path + "library/tlv/pseudo_rand_gen.sv "\
- + init_path + "library/tlv/pseudo_rand.m4out.tlv " + self.file + " " + self.modelpath
+        self.cmd = "cp " + init_path + "library/tlv/clk_gate.v " + \
+                   init_path + "library/tlv/pseudo_rand.sv " + \
+                   init_path + "library/tlv/sandpiper.vh " + \
+                   init_path + "library/tlv/sandpiper_gen.vh " + \
+                   init_path + "library/tlv/sp_default.vh " + \
+                   init_path + "library/tlv/pseudo_rand_gen.sv " + \
+                   init_path + "library/tlv/pseudo_rand.m4out.tlv " + \
+                   self.file + " " + self.modelpath
 
         self.process = QtCore.QProcess(self)
         self.args = ['-c', self.cmd]
@@ -207,7 +207,7 @@ class ModelGeneration(QtWidgets.QWidget):
                 QtWidgets.QMessageBox.Ok)
 
             self.obj_Appconfig.print_info(
-                'NgVeri Stopped due to File \
+                'NgVeri stopped due to file \
                 name and module name not matching error')
             return "Error"
         modelname = str(m.name)
@@ -897,7 +897,9 @@ and set the load for input ports */
             self.release_home +
             "src/xspice/icm/Ngveri/" +
                 "verilated.o"):
-            os.remove(self.release_home + "src/xspice/icm/Ngveri/" + "verilated.o")
+            os.remove(
+                self.release_home + "src/xspice/icm/Ngveri/" + "verilated.o"
+            )
         if os.path.exists(
             path_icm +
             "V" +
@@ -948,7 +950,6 @@ and set the load for input ports */
                 self.cmd = "make"
 
             print("Running Make command in " + path_icm)
-            path = os.getcwd()  # noqa
             self.process = QtCore.QProcess(self)
             self.process.start('sh', ['-c', self.cmd])
             print("make command process pid ---------- >", self.process.pid())
@@ -977,11 +978,11 @@ and set the load for input ports */
         try:
             if os.name == 'nt':
                 self.msys_home = self.parser.get('COMPILER', 'MSYS_HOME')
-                self.cmd = self.msys_home + "/mingw64/bin/mingw32-make.exe install"
+                self.cmd = self.msys_home + \
+                    "/mingw64/bin/mingw32-make.exe install"
             else:
                 self.cmd = "make install"
             print("Running Make Install")
-            path = os.getcwd()  # noqa
             try:
                 self.process.close()
             except BaseException:
@@ -1056,17 +1057,14 @@ and set the load for input ports */
         print("Added the File:" + filename)
         self.termtitle("Added the File:" + filename)
 
-
-    # This function is used to add additional folder required by the verilog
-    # top module
     def addfolder(self):
+        '''
+            This function is used to add additional folder required
+            by the verilog top module
+        '''
         # self.cur_dir = os.getcwd()
         print("Adding the folder required by the top level module file")
 
-        init_path = '../../'
-        if os.name == 'nt':
-            init_path = ''  # noqa:F841
-
         includefolder = QtCore.QDir.toNativeSeparators(
             QtWidgets.QFileDialog.getExistingDirectory(
                 self, "open", "home"
@@ -1089,7 +1087,7 @@ and set the load for input ports */
                 self.obj_Appconfig.print_info('Add Folder Called')
 
             elif reply == QtWidgets.QMessageBox.Cancel:
-                self.obj_Appconfig.print_info('No File Chosen')
+                self.obj_Appconfig.print_info('No Folder Chosen')
                 return
 
         self.modelpath = self.digital_home + \
@@ -1123,7 +1121,6 @@ and set the load for input ports */
         # os.chdir(self.cur_dir)
 
     # This function is used to print the titles in the terminal of Ngveri tab
-
     def termtitle(self, textin):
 
         Text = "<span style=\" font-size:20pt; \
diff --git a/src/maker/NgVeri.py b/src/maker/NgVeri.py
index c1fbcb4e..cb553a31 100755
--- a/src/maker/NgVeri.py
+++ b/src/maker/NgVeri.py
@@ -28,12 +28,11 @@
 
 
 # importing the files and libraries
-from PyQt5 import QtCore, QtWidgets, QtGui
+from PyQt5 import QtCore, QtWidgets
 from . import Maker
 from . import ModelGeneration
 import os
 import shutil
-import subprocess
 from configuration.Appconfig import Appconfig
 from configparser import ConfigParser
 
@@ -83,9 +82,6 @@ class NgVeri(QtWidgets.QWidget):
 
     # Adding the verilog file in Maker tab to Ngveri Tab automatically
     def addverilog(self):
-        init_path = '../../'
-        if os.name == 'nt':
-            init_path = ''
         # b=Maker.Maker(self)
         print(Maker.verilogFile)
         if Maker.verilogFile[self.filecount] == "":
@@ -93,11 +89,13 @@ class NgVeri(QtWidgets.QWidget):
                 None,
                 "Error Message",
                 "<b>Error: No Verilog File Chosen. \
-                Please chose a Verilog file in Makerchip Tab</b>",
+                Please choose a verilog file in Makerchip Tab</b>",
                 QtWidgets.QMessageBox.Ok)
             if reply == QtWidgets.QMessageBox.Ok:
                 self.obj_Appconfig.print_error(
-                    'No VerilogFile. Please add a File in Makerchip Tab')
+                    'No Verilog File Chosen. '
+                    'Please choose a verilog file in Makerchip Tab'
+                )
                 return
 
         self.fname = Maker.verilogFile[self.filecount]
@@ -136,7 +134,8 @@ class NgVeri(QtWidgets.QWidget):
                 else:
                     try:
                         shutil.copy(
-                            self.release_dir + "/src/xspice/icm/Ngveri/Ngveri.cm",
+                            self.release_dir +
+                            "/src/xspice/icm/Ngveri/Ngveri.cm",
                             self.nghdl_home + "/lib/ngspice/"
                         )
                     except FileNotFoundError as err:
@@ -147,8 +146,8 @@ class NgVeri(QtWidgets.QWidget):
                 terminalLog = self.entry_var[0].toPlainText()
                 if "error" not in terminalLog.lower():
                     self.entry_var[0].append('''
-                        <p style=\" font-size:16pt; font-weight:1000; color:#00FF00;\" >
-                        Model Created Successfully!
+                        <p style=\" font-size:16pt; font-weight:1000;
+                        color:#00FF00;\"> Model Created Successfully!
                         </p>
                     ''')
 
@@ -156,35 +155,37 @@ class NgVeri(QtWidgets.QWidget):
 
         except BaseException as err:
             self.entry_var[0].append(
-                "Error in Ngspice code model generation from Verilog: " + str(err)
+                "Error in Ngspice code model generation " +
+                "from Verilog: " + str(err)
             )
 
         terminalLog = self.entry_var[0].toPlainText()
         if "error" in terminalLog.lower():
             self.entry_var[0].append('''
-                <p style=\" font-size:16pt; font-weight:1000; color:#FF0000;\" >
-                There was an error during model creation,
-                <br/>
-                Please rectify the error and try again !
+                <p style=\" font-size:16pt; font-weight:1000;
+                color:#FF0000;\">There was an error during model creation,
+                <br/>Please rectify the error and try again!
                 </p>
-                ''')
-
-    # This function is used to add additional files required by the verilog
-    # top module
+            ''')
 
     def addfile(self):
+        '''
+            This function is used to add additional files required
+            by the verilog top module
+        '''
         if len(Maker.verilogFile) < (self.filecount + 1):
             reply = QtWidgets.QMessageBox.critical(
                 None,
                 "Error Message",
                 "<b>Error: No Verilog File Chosen. \
-                Please chose a Verilog file in Makerchip Tab</b>",
+                Please choose a verilog file in Makerchip Tab</b>",
                 QtWidgets.QMessageBox.Ok)
             if reply == QtWidgets.QMessageBox.Ok:
                 self.obj_Appconfig.print_error(
-                    'No VerilogFile. Please chose\
-                     a Verilog File in Makerchip Tab')
+                    'No Verilog File Chosen. Please choose \
+                     a verilog file in Makerchip Tab')
                 return
+
         self.fname = Maker.verilogFile[self.filecount]
         model = ModelGeneration.ModelGeneration(self.fname, self.entry_var[0])
         # model.verilogfile()
@@ -198,12 +199,12 @@ class NgVeri(QtWidgets.QWidget):
                 None,
                 "Error Message",
                 "<b>Error: No Verilog File Chosen. \
-                Please chose a Verilog file in Makerchip Tab</b>",
+                Please choose a verilog file in Makerchip Tab</b>",
                 QtWidgets.QMessageBox.Ok)
             if reply == QtWidgets.QMessageBox.Ok:
                 self.obj_Appconfig.print_error(
-                    'No VerilogFile. Please chose \
-                    a Verilog File in Makerchip Tab')
+                    'No Verilog File Chosen. Please choose \
+                    a verilog file in Makerchip Tab')
                 return
         self.fname = Maker.verilogFile[self.filecount]
         model = ModelGeneration.ModelGeneration(self.fname, self.entry_var[0])
@@ -260,7 +261,7 @@ class NgVeri(QtWidgets.QWidget):
         return self.optionsbox
 
     # This function is used to remove models in modlst of Ngspice folder if
-    # the user wants to remove a model.Note: files do not get removed
+    # the user wants to remove a model. Note: files do not get removed
     def edit_modlst(self, text):
         if text == "Edit modlst":
             return
@@ -268,7 +269,7 @@ class NgVeri(QtWidgets.QWidget):
         self.entry_var[1].removeItem(index)
         self.entry_var[1].setCurrentIndex(0)
         ret = QtWidgets.QMessageBox.warning(
-            None, "Warning", '''<b>Do you want to remove model:''' +
+            None, "Warning", '''<b>Do you want to remove the model: ''' +
             text,
             QtWidgets.QMessageBox.Ok, QtWidgets.QMessageBox.Cancel
         )
@@ -297,15 +298,17 @@ class NgVeri(QtWidgets.QWidget):
                     )
             except BaseException as err:
                 QtWidgets.QMessageBox.critical(
-                None, "Error Message",
-                "The verilog model '" + str(text) +
-                "' could not be removed: " + str(err),
-                QtWidgets.QMessageBox.Ok)
-
+                    None, "Error Message",
+                    "The verilog model '" + str(text) +
+                    "' could not be removed: " + str(err),
+                    QtWidgets.QMessageBox.Ok
+                )
 
-    # This is to remove lint_off comments needed by the verilator warnings
-    # This function writes to the lint_off.txt here in the same folder
     def lint_off_edit(self, text):
+        '''
+          This is to remove lint_off comments needed by the verilator warnings.
+          This function writes to the lint_off.txt in the library/tlv folder.
+        '''
         init_path = '../../'
         if os.name == 'nt':
             init_path = ''
@@ -332,14 +335,12 @@ class NgVeri(QtWidgets.QWidget):
             file = open(init_path + "library/tlv/lint_off.txt", 'w')
             for item in data:
                 file.write(item)
-            return
-
-        # else:
-        #    return
 
-    # This is to add lint_off comments needed by the verilator warnings
-    # This function writes to the lint_off.txt here in the same folder
     def add_lint_off(self):
+        '''
+            This is to add lint_off comments needed by the verilator warnings.
+            This function writes to the lint_off.txt in the library/tlv folder.
+        '''
         init_path = '../../'
         if os.name == 'nt':
             init_path = ''
diff --git a/src/maker/createkicad.py b/src/maker/createkicad.py
index c8b14b6e..af30cee0 100755..100644
--- a/src/maker/createkicad.py
+++ b/src/maker/createkicad.py
@@ -30,7 +30,6 @@
 from . import Appconfig
 import re
 import os
-import sys  # noqa F401
 import xml.etree.cElementTree as ET
 from PyQt5 import QtWidgets
 
@@ -68,40 +67,43 @@ class AutoSchematic:
             if (str(self.modelname) + '.xml') in files:
                 xmlFound = root
                 print(xmlFound)
+                break
+
         if xmlFound is None:
             self.getPortInformation()
             self.createXML()
             self.createLib()
+
         elif (xmlFound == os.path.join(self.xml_loc, 'Ngveri')):
             print('Library already exists...')
             ret = QtWidgets.QMessageBox.warning(
                 None, "Warning", '''<b>Library files for this model''' +
                 ''' already exist. Do you want to overwrite it?</b><br/>
                 If yes press ok, else cancel it and ''' +
-                '''change the name of your vhdl file.''',
+                '''change the name of your verilog model.''',
                 QtWidgets.QMessageBox.Ok, QtWidgets.QMessageBox.Cancel
             )
+
             if ret == QtWidgets.QMessageBox.Ok:
                 print("Overwriting existing libraries")
                 self.getPortInformation()
                 self.createXML()
-                self.removeOldLibrary()     # Removes the exisitng library
+                self.removeOldLibrary()     # Removes the existng library
                 self.createLib()
             else:
                 print("Library Creation Cancelled")
                 return "Error"
 
         else:
-            print('Pre existing library...')
+            print('Pre-existing library...')
             ret = QtWidgets.QMessageBox.critical(
                 self.parent, "Error", '''<b>A standard library already ''' +
                 '''exists with this name.</b><br/><b>Please change the ''' +
-                '''name of your vhdl file and upload it again</b>''',
+                '''name of your verilog model and add it again.</b>''',
                 QtWidgets.QMessageBox.Ok
             )
 
     # getting the port information here
-
     def getPortInformation(self):
         portInformation = PortInfo(self, self.modelpath)
         portInformation.getPortInfo()
@@ -267,7 +269,6 @@ class AutoSchematic:
 
         port_list = []
         j = 0
-        k = 0   # noqa F841
         for i in range(total):
             if (i < inputs):
                 input_port[1] = inputName[i]
diff --git a/src/maker/makerchip.py b/src/maker/makerchip.py
index 29e1421d..152c6cbb 100755
--- a/src/maker/makerchip.py
+++ b/src/maker/makerchip.py
@@ -27,23 +27,15 @@
 # =========================================================================
 
 # importing the files and libraries
-import sys
-import os
 from PyQt5 import QtWidgets
-from configuration.Appconfig import Appconfig
-from projManagement.Validation import Validation
-# from .Processing import PrcocessNetlist
 from . import Maker
 from . import NgVeri
 
-from xml.etree import ElementTree as ET
-
 # filecount is used to count thenumber of objects created
 filecount = 0
 
-# this class creates objects for creating the Maker and the Ngveri tabs
-
 
+# This class creates objects for creating the Maker and the Ngveri tabs
 class makerchip(QtWidgets.QWidget):
 
     # initialising the variables
diff --git a/src/projManagement/Kicad.py b/src/projManagement/Kicad.py
index 8f25b732..8c92c06b 100644
--- a/src/projManagement/Kicad.py
+++ b/src/projManagement/Kicad.py
@@ -96,11 +96,11 @@ class Kicad:
             self.msg.setWindowTitle("Error Message")
             self.msg.showMessage(
                 'Please select the project first. You can either ' +
-                'create new project or open existing project')
+                'create new project or open an existing project')
             self.msg.exec_()
             self.obj_appconfig.print_warning(
                 'Please select the project first. You can either ' +
-                'create new project or open existing project')
+                'create new project or open an existing project')
 
     '''
     # Commenting as it is no longer needed as PCB and Layout will open from
@@ -133,10 +133,10 @@ class Kicad:
             self.msg.setModal(True)
             self.msg.setWindowTitle("Error Message")
             self.msg.showMessage('Please select the project first. You can'
-            + 'either create new project or open existing project')
+            + 'either create new project or open an existing project')
             self.msg.exec_()
             self.obj_appconfig.print_warning('Please select the project'
-            + 'first. You can either create new project or open existing'
+            + 'first. You can either create new project or open an existing'
             + 'project')
 
     def openLayout(self):
@@ -166,10 +166,10 @@ class Kicad:
             self.msg.setModal(True)
             self.msg.setWindowTitle("Error Message")
             self.msg.showMessage('Please select the project first. You can'
-            + 'either create new project or open existing project')
+            + 'either create new project or open an existing project')
             self.msg.exec_()
             self.obj_appconfig.print_warning('Please select the project'
-            + 'first. You can either create new project or open existing'
+            + 'first. You can either create new project or open an existing'
             + 'project')
     '''
 
@@ -226,8 +226,8 @@ class Kicad:
             self.msg.setWindowTitle("Error Message")
             self.msg.showMessage(
                 'Please select the project first. You can either ' +
-                'create new project or open existing project')
+                'create new project or open an existing project')
             self.msg.exec_()
             self.obj_appconfig.print_warning(
                 'Please select the project first. You can either ' +
-                'create new project or open existing project')
+                'create new project or open an existing project')