get the command pip3
Problem
You have Python 2 and Python 3 on the same machine. You want to install a package that requires Python 3. You cannot use the command “pip” because it will install the package as if it were written in Python 2. You want a “pip3” command.
Solution #1 (20140912)
sudo apt-get install python3-pip
Solution #2
I found the solution here.
Steps:
$ wget https://raw.github.com/pypa/pip/master/contrib/get-pip.py $ sudo python3 get-pip.py
Now you have a “pip3” command that you can use to install Python 3 libraries.
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Python Adventures 
Thanks! That saved my day