/usr/lib/python3/dist-packages/google/apputils/ is in python3-google-apputils 0.4.1-1ubuntu2.
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/usr/lib/python3/dist-packages/google/apputils/__init__.py
/usr/lib/python3/dist-packages/google/apputils/app.py
/usr/lib/python3/dist-packages/google/apputils/appcommands.py
/usr/lib/python3/dist-packages/google/apputils/basetest.py
/usr/lib/python3/dist-packages/google/apputils/datelib.py
/usr/lib/python3/dist-packages/google/apputils/debug.py
/usr/lib/python3/dist-packages/google/apputils/file_util.py
/usr/lib/python3/dist-packages/google/apputils/humanize.py
/usr/lib/python3/dist-packages/google/apputils/resources.py
/usr/lib/python3/dist-packages/google/apputils/run_script_module.py
/usr/lib/python3/dist-packages/google/apputils/setup_command.py
/usr/lib/python3/dist-packages/google/apputils/shellutil.py
/usr/lib/python3/dist-packages/google/apputils/stopwatch.py