pip
Purge old pip
sudo apt-get purge python-pip
Install pip
Option-1
curl https://bootstrap.pypa.io/get-pip.py | sudo python
Option-2
sudo apt-get install python-pip
Purge old pip
sudo apt-get purge python-pip
Install pip
Option-1
curl https://bootstrap.pypa.io/get-pip.py | sudo python
Option-2
sudo apt-get install python-pip