Inconsistent flake8 errors

[AdrianSosic]

I am getting some flake8 errors locally that do not show up in the Github actions:

./build/lib/tnmf/tests/test_init.py:10:5: F403 'from tnmf import *' used; unable to detect undefined names
    from tnmf import *
    ^
./build/lib/tnmf/tests/test_init.py:10:5: F401 'tnmf.*' imported but unused
    from tnmf import *
    ^
1     F401 'tnmf.*' imported but unused
1     F403 'from tnmf import *' used; unable to detect undefined names
2