Complete output from command python setup.py egg_info: error in Flask setup command: 'install_requires' must be a string or list of strings containing valid project/version requirement specifiers
---------------------------------------- Command "python setup.py egg_info" failed with error code 1 in /tmp/pip-build-3fg63w/Flask/ You are using pip version 8.1.2, however version 22.1 is available. You should consider upgrading via the 'pip install --upgrade pip' command. Cleaning up project directory and file based variables ERROR: Job failed: exit status 1