Fix restricted build for python3.3.

.travis.yml

@@ -4,7 +4,6 @@ cache: pip
 
 python:
   - 2.7
-  - 3.3
   - 3.4
   - 3.5
   - 3.5-dev
@@ -21,7 +20,7 @@ matrix:
   include:
     - python: pypy
       env: TEST_REQUIRE=fastimport
-    - python: 3.3:
+    - python: 3.3
       env: TEST_REQUIRE=fastimport
 
 install: