Ignore CancelledErrors because of Python 3.7 #2891
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On consideration, this is unlikely to be the right fix. You could get in to a situation where cancelling a widget's task would get swallowed if it happens to be awaiting a remove. I think what is happening is that Python3.7 raises an erroneous CancelledError when waiting a lock that has been cancelled. The solution may be to explicitly handle |
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Closed in favour of #2895 |
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This fixes #2854 by ignoring the
CancelledError.