test: Fix typo in travis config

sijis · sijis · commit aac8a5fe96b1 · 2017-10-19T11:25:14.000-05:00
diff --git a/.travis.yml b/.travis.yml
@@ -18,4 +18,4 @@ matrix:
 install:
     - pip install tox
 script:
-    - tox -e $TOX_ENV
+    - tox -e $TOXENV
