creating /tmp/python.cache_<USER_NAME> and not deleting it. #232

What steps will reproduce the problem?
1. GetUserTimeline()
2. check /tmp/python.cache_<USER_NAME>
3. temporary files are not deleting. 

What is the expected output? What do you see instead?
No cache


What version of the product are you using? On what operating system?
Ubuntu 10.10
Python 2.7


Please provide any additional information below.

Each API call is creating a cache file and it results in the increase if 
inodes. This is not good for an OS