diff options
Diffstat (limited to 'gnuradio-core/src')
-rw-r--r-- | gnuradio-core/src/python/gnuradio/blks2impl/pkt.py | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/gnuradio-core/src/python/gnuradio/blks2impl/pkt.py b/gnuradio-core/src/python/gnuradio/blks2impl/pkt.py index 908437ef2..32109b84f 100644 --- a/gnuradio-core/src/python/gnuradio/blks2impl/pkt.py +++ b/gnuradio-core/src/python/gnuradio/blks2impl/pkt.py @@ -143,7 +143,8 @@ class demod_pkts(gr.hier_block2): self.framer_sink = gr.framer_sink_1(self._rcvd_pktq) self.connect(self, self._demodulator, self.correlator, self.framer_sink) - self._watcher = _queue_watcher_thread(self._rcvd_pktq, callback) + if callback is not None: + self._watcher = _queue_watcher_thread(self._rcvd_pktq, callback) class _queue_watcher_thread(_threading.Thread): |