Command python setup.py egg_info failed with error code 1 in /tmp/pip-build-oj0w93a4/bcrypt/ code example
Example: failed with error code 1 in /tmp/pip-build-xxzumppm/grpcio/
$ pip3 install --upgrade setuptools
$ pip3 install --upgrade pip
$ pip3 install --upgrade setuptools
$ pip3 install --upgrade pip