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Fix default comm.kernel attribute #3733

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2 changes: 1 addition & 1 deletion python/ipywidgets/ipywidgets/widgets/widget_output.py
Original file line number Diff line number Diff line change
Expand Up @@ -111,7 +111,7 @@ def __enter__(self):
kernel = None
if ip and getattr(ip, "kernel", None) is not None:
kernel = ip.kernel
elif self.comm is not None and getattr(self.comm, 'kernel', True) is not None:
elif self.comm is not None and getattr(self.comm, 'kernel', None) is not None:
kernel = self.comm.kernel

if kernel:
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