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#development
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# development
r

rough-minister-58256

08/16/2016, 8:58 PM
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>>> f = datatype('Foo', ['1'])
Traceback (most recent call last):
  File "<input>", line 1, in <module>
  File "<input>", line 2, in datatype
TypeError: Error when calling the metaclass bases
    __slots__ must be identifiers