[Python] pyinstaller --onefile is not including all necessary dependencies

I am trying to compile a python script into an executable using pyinstaller --onefile. However, one necessary package, geemap, doesn't seem to be included, despite being an import in the script.

Is it possible to force-add custom packages?

Every time I run the .pyc file on a clean PC, it says:

ModuleNotFoundError: No Module named 'geemap'

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