How to use xfail_on_38 method in hypothesis

Best Python code snippet using hypothesis

test_lookup_py38.py

Source:test_lookup_py38.py

...59        assert isinstance(value["b"], bool)60if sys.version_info[:2] < (3, 9):61    xfail_on_38 = pytest.mark.xfail(raises=Unsatisfiable)62else:63    def xfail_on_38(f):64        return f65@xfail_on_3866def test_simple_optional_key_is_optional():67    # Optional keys are not currently supported, as PEP-589 leaves no traces68    # at runtime.  See https://github.com/python/cpython/pull/1721469    find_any(from_type(B), lambda d: "b" not in d)70class C(B):71    # a is required, b is optional, c is required again72    c: str73@given(from_type(C))74def test_typeddict_with_optional_then_required_again(value):75    assert type(value) == dict76    assert set(value).issubset({"a", "b", "c"})77    assert isinstance(value["a"], int)...

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