pip install software error: Command “python setup.py egg_info” failed with error code 1 in /tmp/pip-build-*(where x is related to the software to be installed)
e.g. pip install pyparsing==1.5.7 install Error: Command “python setup.py egg_info” failed with error code 1 in /tmp/pip-build-WImLdR/pyparsing/

Solution:
sudo python -m pip install –upgrade –force pip
sudo pip install setuptools==40.8.0