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-rwxr-xr-xgnuradio-examples/python/digital/tunnel.py4
1 files changed, 3 insertions, 1 deletions
diff --git a/gnuradio-examples/python/digital/tunnel.py b/gnuradio-examples/python/digital/tunnel.py
index 111ed0db42..09bcd75ddf 100755
--- a/gnuradio-examples/python/digital/tunnel.py
+++ b/gnuradio-examples/python/digital/tunnel.py
@@ -94,7 +94,9 @@ class my_top_block(gr.top_block):
gr.top_block.__init__(self)
self.txpath = transmit_path(mod_class, options)
self.rxpath = receive_path(demod_class, rx_callback, options)
-
+ self.connect(self.txpath);
+ self.connect(self.rxpath);
+
def send_pkt(self, payload='', eof=False):
return self.txpath.send_pkt(payload, eof)