pip install -r requirements.txt --quiet You are using pip version 10.0.1, however version 19.0.1 is available. You should consider upgrading via the 'pip install --upgrade pip' command. $ make check_backend export PYTHONPATH=$PWD ; python ./backend/generate/generate_backend_files.py python: can't open file './backend/generate/generate_backend_files.py': [Errno 2] No such file or directory Makefile:8: recipe for target 'generate_backend' failed make: *** [generate_backend] Error 2 ERROR: Job failed: exit code 1