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Return Comm rather than BaseComm from create_comm #1091

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Return Comm rather than BaseComm from create_comm #1091

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Return Comm rather than BaseComm from create_comm
matthewturk Feb 8, 2023
2587d8a
lint
blink1073 Feb 8, 2023
66d91f7
Merge branch 'main' into issue1090
blink1073 Feb 8, 2023
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4 changes: 2 additions & 2 deletions ipykernel/ipkernel.py
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Original file line number Diff line number Diff line change
Expand Up @@ -17,7 +17,7 @@
from traitlets import Any, Bool, HasTraits, Instance, List, Type, observe, observe_compat
from zmq.eventloop.zmqstream import ZMQStream

from .comm.comm import BaseComm
from .comm.comm import Comm
from .comm.manager import CommManager
from .compiler import XCachingCompiler
from .debugger import Debugger, _is_debugpy_available
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def _create_comm(*args, **kwargs):
"""Create a new Comm."""
return BaseComm(*args, **kwargs)
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Ah, I misunderstood what you intended to change. We wanted to explicitly return BaseComm here because it is more efficient. I think the right answer is for ipywidgets to relax its expected trait.

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yeah, BaseComm is 'the new thing', Comm is for backwards compatibility with ipywidgets.

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I see, but since ipywidgets doesn't accept BaseComm should that be the submitted change? I guess I'm confused because @blink1073's suggestion seemed straightforward, but now I don't understand how to interpret @maartenbreddels's reply.

return Comm(*args, **kwargs)


# there can only be one comm manager in a ipykernel process
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