Cannot pass strings and other types to `format()` #328

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adrian17 opened this issue Feb 5, 2019 · 0 comments

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adrian17 commented Feb 5, 2019

Self-explanatory:

>>>>> '{}'.format(1)
'1'
>>>>> '{}'.format('1')
Traceback (most recent call last):
  File <unknown>, line 0, in <module>
TypeError: Unsupported method: __format__
>>>>> '{}'.format({})
Traceback (most recent call last):
  File <unknown>, line 0, in <module>
TypeError: Unsupported method: __format__

As for dicts/sets/etc, AFAIK the default object.__format__ simply fallbacks to str() for types without overridden __format__.

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cthulahoops closed this as completed in

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