What is the Python egg cache (PYTHON_EGG_CACHE)?

Question

I\'ve just upgraded from Python 2.6.1 to 2.6.4 on my development machine and upon starting a python script was presented with the following message:

C

Answer 1

Phillip B Oldham's right. You can add these lines in your code:

import os  
os.environ['PYTHON_EGG_CACHE'] = '/tmp' # a writable directory