Method is_possibly_undefined

mypy/partially_defined.py:276–279

(self, name: str)

        return self._scope().pop_undefined_ref(name)

    def is_possibly_undefined(self, name: str) -> bool:
        assert len(self._scope().branch_stmts) > 0
        # A variable is undefined if it's in a set of `may_be_defined` but not in `must_be_defined`.
        return self._scope().branch_stmts[-1].is_possibly_undefined(name)

    def is_defined_in_different_branch(self, name: str) -> bool:
        """This will return true if a variable is defined in a branch that's not the current branch."""