python3.7.1 has incorrect NoReturn handling

[sobolevn]

_____________________ ERROR collecting returns/__init__.py _____________________
returns/__init__.py:16: in <module>
    from returns.converters import maybe_to_result, result_to_maybe
returns/converters.py:7: in <module>
    from returns.result import Failure, Result, Success
returns/result.py:245: in <module>
    ) -> Result[_ValueType, NoReturn]:
/opt/python/3.7.1/lib/python3.7/typing.py:251: in inner
    return func(*args, **kwds)
/opt/python/3.7.1/lib/python3.7/typing.py:824: in __class_getitem__
    params = tuple(_type_check(p, msg) for p in params)
/opt/python/3.7.1/lib/python3.7/typing.py:824: in <genexpr>
    params = tuple(_type_check(p, msg) for p in params)
/opt/python/3.7.1/lib/python3.7/typing.py:135: in _type_check
    raise TypeError(f"Plain {arg} is not valid as type argument")
E   TypeError: Plain typing.NoReturn is not valid as type argument

There's nothing I can do.
Upgrade to 3.7.3+