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UV Not Finding Local Package During Testing

Author: guiferviz

Created:

Last Modified:

When using Python UV for running tests using the command: uv run pytest I was getting a ModuleNotFoundError: No module named '<my-package-here>'. The solution was to add a __init__.py file to the tests dir.

For more info: https://github.com/astral-sh/uv/issues/7260

It’s a bit weird because uv run python -c "import <my-package-here>" was also failing without that __init__.py file. It is working now… so not sure how that test file affects a simple import.