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Remove unnecessary casts after pinning Mypy to >= 0.740

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Łukasz Langa 2019-10-28 17:35:33 +01:00
parent 95fd5cb648
commit adce126949
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2 changed files with 6 additions and 8 deletions
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Pipfile
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@ -22,7 +22,7 @@ docutils = "==0.15" # not a direct dependency, see https://github.com/pypa/pipe
flake8 = "*"
flake8-bugbear = "*"
flake8-mypy = "*"
mypy = ">=0.620"
mypy = ">=0.740"
readme_renderer = "*"
recommonmark = "*"
Sphinx = "*"

12
black.py
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@ -3669,14 +3669,12 @@ def _fixup_ast_constants(
node: Union[ast.AST, ast3.AST, ast27.AST]
) -> Union[ast.AST, ast3.AST, ast27.AST]:
"""Map ast nodes deprecated in 3.8 to Constant."""
# casts are required until this is released:
# https://github.com/python/typeshed/pull/3142
if isinstance(node, (ast.Str, ast3.Str, ast27.Str, ast.Bytes, ast3.Bytes)):
return cast(ast.AST, ast.Constant(value=node.s))
elif isinstance(node, (ast.Num, ast3.Num, ast27.Num)):
return cast(ast.AST, ast.Constant(value=node.n))
elif isinstance(node, (ast.NameConstant, ast3.NameConstant)):
return cast(ast.AST, ast.Constant(value=node.value))
return ast.Constant(value=node.s)
if isinstance(node, (ast.Num, ast3.Num, ast27.Num)):
return ast.Constant(value=node.n)
if isinstance(node, (ast.NameConstant, ast3.NameConstant)):
return ast.Constant(value=node.value)
return node