Trying to fix test invocation split acros multiple lines.

Author: rouilj

.travis.yml

@@ -145,13 +145,12 @@ before_script:
 script:
   - PATH=$VIRTUAL_ENV/bin:$PATH
   - export LD_LIBRARY_PATH=$VIRTUAL_ENV/lib:$LD_LIBRARY_PATH
-  - py.test \
-    -W error \
-    -W "ignore::SelectableGroups" \
-    -W "ignore:the imp module:DeprecationWarning:gpg.gpgme:15" \
-    -W "ignore:'U' mode::docutils.io" \
+  - py.test 
+    -W error 
+    -W "ignore::SelectableGroups" 
+    -W "ignore:the imp module:DeprecationWarning:gpg.gpgme:15" 
+    -W "ignore:'U' mode::docutils.io" 
     -v --maxfail=20 test/ --cov=roundup
 
-
 after_success:
   - codecov