remove Python 2.5

Author: soimort

.travis.yml

@@ -5,8 +5,5 @@ python:
   - "3.2"
   - "2.7"
   - "2.6"
-  - "2.5"
   - "pypy"
-install:
-  - if [ "`python -c 'import sys; print(sys.version_info[0:2])'`" = "(2, 5)" ]; then pip install -r requirements.txt --use-mirrors; fi
 script: make test

requirements.txt

@@ -5,11 +5,7 @@
 
 PROJ_METADATA = '%s.json' % PROJ_NAME
 
-import os, imp
-try:
-    import json
-except ImportError:
-    import simplejson as json
+import os, json, imp
 
 here = os.path.abspath(os.path.dirname(__file__))
 proj_info = json.loads(open(os.path.join(here, PROJ_METADATA)).read())