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Merge pull request #6908 from minrk/del-comm-id

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handle setting Widget.comm = None
This commit is contained in:
Thomas Kluyver 2014-11-12 11:49:38 -08:00
commit aaf660d204
1 changed files with 2 additions and 1 deletions
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IPython/html/widgets/widget.py
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@ -175,7 +175,8 @@ class Widget(LoggingConfigurable):
def _comm_changed(self, name, new):
"""Called when the comm is changed."""
self.comm = new
if new is None:
return
self._model_id = self.model_id
self.comm.on_msg(self._handle_msg)