Separate tox env for coverage check

.travis.yml

@@ -5,8 +5,9 @@ env:
     - TOXENV=py27
     - TOXENV=py32
     - TOXENV=py33
+    - TOXENV=cov
 install:
     - pip install --quiet --use-mirrors tox coveralls
 script:
     - tox
-    - if [ $TOXENV == "py33" ]; then coveralls; fi
+    - if [ $TOXENV == "cov" ]; then coveralls; fi

tox.ini

@@ -4,7 +4,7 @@ envlist = py25, py26, py27, py32, py33
 deps =
     pytest
 commands =
-    py.test jedi
+    py.test []
 [testenv:py25]
 deps =
     simplejson
@@ -14,8 +14,9 @@ deps =
 deps =
     unittest2
     {[testenv]deps}
-[testenv:py33]
+[testenv:cov]
 deps =
     pytest-cov
+    {[testenv]deps}
 commands =
-    py.test --cov jedi
+    py.test --cov jedi []