fixup! Travis: use codecov-bash

Author: blueyed

.travis.yml

@@ -40,6 +40,7 @@ after_success:
   # Upload coverage information for py* tox environments.
   - |
     if [ "${TOXENV#py}" != "$TOXENV" ]; then
+      .tox/$TOXENV/bin/coverage xml
       bash <(curl -s https://codecov.io/bash) -Z -F "${TOXENV//-/,}"
     fi