[Discuss-gnuradio] Unique-connection check inappropriately griping when using bus connections

I'm getting gripes from GRC when using bus connections:

ookupError: This connection between source and sink is not unique.
>>> Error: Connection between pfb_channelizer_ccf_0_0(8) and
blocks_streams_to_vector_0_0(8) could not be made.
This connection between source and sink is not unique.
Traceback (most recent call last):
File
"/usr/local/lib64/python2.7/site-packages/gnuradio/grc/base/FlowGraph.py",
line 377, in import_data
self.connect(source, sink)
File
"/usr/local/lib64/python2.7/site-packages/gnuradio/grc/base/FlowGraph.py",
line 241, in connect
connection = self.get_parent().Connection(flow_graph=self,
porta=porta, portb=portb)
File
"/usr/local/lib64/python2.7/site-packages/gnuradio/grc/python/Connection.py",
line 27, in __init__
_Connection.__init__(self, **kwargs)
File
"/usr/local/lib64/python2.7/site-packages/gnuradio/grc/base/Connection.py",
line 54, in __init__
raise LookupError('This connection between source and sink is not
unique.')
LookupError: This connection between source and sink is not unique.
>>> Error: Connection between pfb_channelizer_ccf_0_0(9) and
blocks_streams_to_vector_0_0(9) could not be made.
This connection between source and sink is not unique.
Traceback (most recent call last):
File
"/usr/local/lib64/python2.7/site-packages/gnuradio/grc/base/FlowGraph.py",
line 377, in import_data
self.connect(source, sink)
File
"/usr/local/lib64/python2.7/site-packages/gnuradio/grc/base/FlowGraph.py",
line 241, in connect
connection = self.get_parent().Connection(flow_graph=self,
porta=porta, portb=portb)
File
"/usr/local/lib64/python2.7/site-packages/gnuradio/grc/python/Connection.py",
line 27, in __init__
_Connection.__init__(self, **kwargs)
File
"/usr/local/lib64/python2.7/site-packages/gnuradio/grc/base/Connection.py",
line 54, in __init__
raise LookupError('This connection between source and sink is not
unique.')
LookupError: This connection between source and sink is not unique.


For flow-graphs with bus connections that previously worked just fine.
This is with v3.7.7.1-204-g55d8f482

It seems to proceed OK, and even generate reasonable-looking code.



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