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-rw-r--r--grc/python/flow_graph.tmpl4
1 files changed, 2 insertions, 2 deletions
diff --git a/grc/python/flow_graph.tmpl b/grc/python/flow_graph.tmpl
index 17feb01f6..57f2a4a45 100644
--- a/grc/python/flow_graph.tmpl
+++ b/grc/python/flow_graph.tmpl
@@ -91,9 +91,9 @@ class $(class_name)(gr.hier_block2):
#if len($io_sigs) == 0
gr.io_signature(0, 0, 0)#slurp
#elif len($io_sigs) == 1
-gr.io_signature(1, 1, $size_strs[0])#slurp
+gr.io_signature(0, 1, $size_strs[0])#slurp
#else
-gr.io_signaturev($(len($io_sigs)), $(len($io_sigs)), [$(', '.join($size_strs))])#slurp
+gr.io_signaturev(0, $(len($io_sigs)), [$(', '.join($size_strs))])#slurp
#end if
#end def