loadams changed the title Fille not found error with pip install File not found error with pip install last month ...

It seems like the main __init__.py (which sets the ephemeris filepath) is not being run. You could try adding the contents of this file to the top of your application code & seeing if that fixes it - ...

Couple more things to check: make sure the library is readable by the user, and probably executable, just in case, although I don't know if that's actually required for libraries. Then maybe try ...