Traceback (most recent call last):
  File "test.py", line 18, in <module>
    main()
  File "test.py", line 9, in main
    app()
  File "/home/pop-os/.cache/pypoetry/virtualenvs/pacup-Vca3t26i-py3.8/lib/python3.8/site-packages/typer/main.py", line 214, in __call__
    return get_command(self)(*args, **kwargs)
  File "/home/pop-os/.cache/pypoetry/virtualenvs/pacup-Vca3t26i-py3.8/lib/python3.8/site-packages/typer/main.py", line 239, in get_command
    click_command = get_command_from_info(typer_instance.registered_commands[0])
  File "/home/pop-os/.cache/pypoetry/virtualenvs/pacup-Vca3t26i-py3.8/lib/python3.8/site-packages/typer/main.py", line 425, in get_command_from_info
    ) = get_params_convertors_ctx_param_name_from_function(command_info.callback)
  File "/home/pop-os/.cache/pypoetry/virtualenvs/pacup-Vca3t26i-py3.8/lib/python3.8/site-packages/typer/main.py", line 401, in get_params_convertors_ctx_param_name_from_function
    parameters = get_params_from_function(callback)
  File "/home/pop-os/.cache/pypoetry/virtualenvs/pacup-Vca3t26i-py3.8/lib/python3.8/site-packages/typer/utils.py", line 11, in get_params_from_function
    type_hints = get_type_hints(func)
  File "/usr/lib/python3.8/typing.py", line 1264, in get_type_hints
    value = _eval_type(value, globalns, localns)
  File "/usr/lib/python3.8/typing.py", line 270, in _eval_type
    return t._evaluate(globalns, localns)
  File "/usr/lib/python3.8/typing.py", line 518, in _evaluate
    eval(self.__forward_code__, globalns, localns),
  File "<string>", line 1, in <module>
TypeError: unsupported operand type(s) for |: 'type' and 'NoneType'