I am following the AWS CLI Setup guide. I have managed to successfully install the tool on my Mac OS X terminal with the following output:
Running cmd: /usr/bin/
This worked for me (note: change 2.7 to your specific Python version):
export PATH=~/Library/Python/2.7/bin/:$PATH
You'll likely want to add this to the end of your .bash_profile using:
.bash_profile
sudo nano ~/.bash_profile