Travis doesn't support Python 2.4 (and never will).

--HG--
branch : distribute
extra : rebase_source : 8a5e9acf606b18a5b88f3df1a108f9990bc4b891

.travis.yml

 language: python
 python:
-  - 2.4
   - 2.5
   - 2.6
   - 2.7