Stephan Lukits wrote at 2020-3-31 17:44 +0300: >background: > >- a daemon creates package p1 (e.g. directory with __init__.py-file) and >in p1 a module m1 is created. > >- Then the daemon wants to import from m1, which functions (so far all >the time). > >- Then a module m2 is created in p1 and the daemon wants to import from >m2 which fails (most of the time but *not* always) with ModuleNotFoundError. > >See the little test script at the end which reproduces the problem. > ...
I remember a similar report (some time ago). There, caching has been responsible. I have forgotten how to invalidate the caches. But, you could try logic found in `importlib._bootstrap_external.PathFinder.invalidate_caches`. -- https://mail.python.org/mailman/listinfo/python-list
