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Use ==/!= to compare str, bytes, and int literals #4686

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merged 1 commit into from
Jan 11, 2020

Commits on Jan 11, 2020

  1. Use ==/!= to compare str, bytes, and int literals

    Identity is not the same thing as equality in Python so use ==/!= to compare str, bytes, and int literals. In Python >= 3.8, these instances will raise __SyntaxWarnings__ so it is best to fix them now. https://docs.python.org/3.8/whatsnew/3.8.html#porting-to-python-3-8
    
    % __python__
    ```
    >>> dtype = "float"
    >>> dtype += "16"
    >>> dtype == "float16"
    True
    >>> dtype is "float16"
    False
    >>> 0 == 0.0
    True
    >>> 0 is 0.0
    False
    ```
    cclauss authored Jan 11, 2020
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