Works fine for me:
richy@cisco → pip install googlefinance
Collecting googlefinance
Downloading googlefinance-0.7.tar.gz
Installing collected packages: googlefinance
Running setup.py install for googlefinance
Successfully installed googlefinance-0.7
richy@cisco → python
Python 2.7.9 (default, Jan 7 2015, 11:49:12)
[GCC 4.2.1 Compatible Apple LLVM 6.0 (clang-600.0.56)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> import googlefinance
>>>
Could the issue be related to mixing up python2 and python3?
If you want to use the module (assuming it is supported) in python3 you have to use pip3 to install it.
richy@cisco → python3
Python 3.4.3 (default, Feb 25 2015, 21:28:45)
[GCC 4.2.1 Compatible Apple LLVM 6.0 (clang-600.0.56)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> import googlefinance
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
ImportError: No module named 'googlefinance'