Allow nonliteral tuple indexing #3514
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gvanrossum
approved these changes
Jun 9, 2017
mypy/checkexpr.py
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| def nonliteral_tuple_index_helper(self, left_type: TupleType, index: Expression) -> Type: | ||
| index_type = self.accept(index) | ||
| expected_type = UnionType.make_union([self.named_type('builtins.int'), | ||
| self.named_type('builtins.slice')]) |
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Indent by one more space. (Was it vim or you that got this wrong?
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Oops! That was me. I forgot to put the arguments in a list originally and failed to reindent after doing so.
Thanks for catching this!
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Fixes #899. Allows indexing and slicing tuples with nonliteral values: returns a Union of all tuple item types.