Radostin Stoyanov 63fce081ed pycodestyle: Use isinstance() for type checking
This is E721 in pycodestyle [1]:
   "do not compare types, use ‘isinstance()’"

The main differece between "type() is" and "isinstance()" is that
isinstance() supports inheritance. [1]

This can be seen in the example below:
    >>> type(True) is int
    False
    >>> isinstance(True, int)
    True

As we can see in python 'bool' a subclass of 'int'.

[1] https://pycodestyle.readthedocs.io/en/latest/intro.html#error-codes
[2] https://docs.python.org/2/library/functions.html#isinstance
2017-10-20 11:49:13 -04:00
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2017-10-18 18:42:50 -04:00
2017-08-11 00:01:38 +08:00
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