WARNING: Running pip as the 'root' user can result in broken permissions and conflicting behaviour with the system package manager. It is recommended to use a virtual environment instead: https://pip.pypa.io/warnings/venv Successfully installed flake8-4.0.1 mccabe-0.6.1 pycodestyle-2.8.0 pyflakes-2.4.0 WARNING: You are using pip version 21.2.4; however, version 21.3.1 is available. You should consider upgrading via the '/usr/local/bin/python -m pip install --upgrade pip' command. $ flake8 --config=.flake8 ./ippidb/views/site.py:3:1: F401 'django.db.models.Count' imported but unused ./ippidb/views/about.py:5:1: F401 'django.db.models.QuerySet' imported but unused Cleaning up file based variables ERROR: Job failed: command terminated with exit code 1