Switch from Coveralls to CodeCov.

.travis.yml

@@ -15,11 +15,11 @@ addons:
       - libjpeg-dev
 # command to install dependencies
 install:
-  - pip install -U tox-travis coveralls setuptools
+  - pip install -U tox-travis setuptools codecov
 # command to run tests
 script: tox
 after_success:
-      coveralls
+    codecov --file .tox/cov-*.xml
 notifications:
   irc:
     channels:

tox.ini

@@ -7,12 +7,12 @@ commands =
         --cov-report=xml:{toxworkdir}/cov-{envname}.xml --cov-report=term \
         --junitxml={toxworkdir}/junit-{envname}.xml {posargs}
 
-passenv = TRAVIS
+
+passenv = CI TRAVIS TRAVIS_*
 # Also install optional dependencies for tests.
 deps =
     .[css,dimensions,test]
     pytest-travis-fold
-    cssselect
     Pillow
 
 [testenv:flake8]