File: request.py

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python-django-stubs 5.2.9-2
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from mypy.plugin import MethodContext
from mypy.types import Type as MypyType
from mypy.types import UninhabitedType, get_proper_type


def check_querydict_is_mutable(ctx: MethodContext) -> MypyType:
    ret_type = get_proper_type(ctx.default_return_type)
    if isinstance(ret_type, UninhabitedType):
        ctx.api.fail("This QueryDict is immutable.", ctx.context)
    return ctx.default_return_type