story: 2010785
task: 48210
There were a bunch of stories like this 2010785 and in most
cases users face the conflict of pip and apt package
management systems. We can either use --ignore-installed
or use python virtualenv. The second option does not contradict
to the first one.
Change-Id: I345e887b3f35f1d1d6c86cc40a29ff0b1920a1f1
3d8935a536