Fix Travis CI matrix

Author: dyve

.travis.yml

@@ -32,9 +32,11 @@ matrix:
   exclude:
     - python: "3.2"
       env: DJANGO_VERSION='>=1.9,<1.10'
+    - python: "3.2"
       env: DJANGO_VERSION='>=1.10,<1.11'
     - python: "3.3"
       env: DJANGO_VERSION='>=1.9,<1.10'
+    - python: "3.3"
       env: DJANGO_VERSION='>=1.10,<1.11'
 
 # Report to coveralls