Fix aspell silently failing (#523)

facelessuser · waylan · commit c10cfff946e1 · 2017-01-11T11:16:01.000-05:00
Travis should checkout aspell-en (issue #521)
diff --git a/.travis.yml b/.travis.yml
@@ -12,6 +12,7 @@ addons:
     packages:
     - libtidy-0.99-0
     - aspell
+    - aspell-en
 install:
   - pip install tox
   - pip install coveralls
