Python packages hash not matching whilst installing using pip

Question

I am using pip to install all my python packages but get error as shown in the trace below. What is the problem and how can I solve it?

usr@comp:~$ pip insta         


        

Answer 1

There is a similar problem (Why does pip fail with bad md5 hash for package?) from 2013 the solution that I tried that worked for me is this:

sudo pip install --no-cache-dir flask

given by attolee