anyone know some possible causes for why integration test discovery in CI would be broken but work locally? seeing a number of errors like this:

===================== ERRORS =====================
ERROR collecting tests/python/pants_test/backend/project_info/tasks/test_eclipse_integration.py
.pants.d/python-setup/chroots/65a5b67e98e0c87ef65483f3e5d5962ec0d09644/.deps/py-1.4.31-py2.py3-none-any.whl/py/_path/local.py:650: in pyimport
   __import__(modname)
   E   ImportError: No module named test_eclipse_integration