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Support isinstance with a tuple of types #947

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Support isinstance with a tuple of types#947
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@JukkaL
JukkaL
opened on Oct 17, 2015

If the second argument to isinstance is a tuple, the inferred type for the first argument should be a union.

Example:

x = 1  # type: object
if isinstance(x, (int, str)):
    # type of x is Union[int, str] here    
    ...

Activity

  1. JukkaL
    added
    feature
    on Oct 17, 2015

  2. JukkaL commented on Jun 3, 2016

    @JukkaL
    JukkaL
    on Jun 3, 2016
    CollaboratorAuthor

    This works now.

  3. JukkaL
    closed this as completedon Jun 3, 2016
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