I installed PyLinac 3.15.0 via pip. I can import pylinac, however I receive an error when trying to import process or watch modules.

The watcher module was deprecated in v2.4. You should use better tools like QATrack+. Changelog - pylinac 3.15.0 documentation, QATrack+ - A Machine QC Database for Radiation Therapy & Diagnostic Imaging Clinics (