$ pip install mysql-python

Collecting MySQL-python==1.2.5 (from -r requirement (line 16))
 Downloading MySQL-python-1.2.5.zip (108kB)
100% |################################| 112kB 56kB/s 
Complete output from command python setup.py egg_info:
sh: mysql_config: command not found
Traceback (most recent call last):
 File "<string>", line 1, in <module>
 File "/tmp/pip-build-HVEeJz/MySQL-python/setup.py", line 17, in <module>
 metadata, options = get_config()
 File "setup_posix.py", line 43, in get_config
 libs = mysql_config("libs_r")
 File "setup_posix.py", line 25, in mysql_config
 raise EnvironmentError("%s not found" % (mysql_config.path,))
EnvironmentError: mysql_config not found

----------------------------------------
Command "python setup.py egg_info" failed with error code 1 in /tmp/pip-build-HVEeJz/MySQL-python/

sudo apt-get install libmysqlclient-dev