Step 1:
Install Python 2.7.9 version : https://www.python.org/downloads/release/python-2712/
Step 2:
Install PIP: curl -O https://bootstrap.pypa.io/get-pip.py
sudo python27 get-pip.py OR
sudo python get-pip.py
Step 3 :
sudo pip install awscli
if you get SIX error
USE this command : sudo pip install --ignore-installed six awscli