If you receive the following error below, you can try reinstalling PIP.
For example:
sudo apt-get remove --purge python-pip
curl https://bootstrap.pypa.io/get-pip.py | sudo python
Or
easyinstall pip
#############[ FATAL ERROR ]#############
Non zero exit status (1) for:
pip --version
With response:
Traceback (most recent call last):
File "/usr/local/bin/pip", line 7, in <module>
from pip._internal import main
ImportError: No module named _internal
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We hope you find this helpful! If you need any further assistance, please contact us and we'll be more than glad to help you out.