CI: add py37 to matrix

tacaswell · tacaswell · commit 5e568f593043 · 2019-09-13T18:01:39.000-04:00
diff --git a/.travis.yml b/.travis.yml
@@ -6,6 +6,7 @@ matrix:
     - python: 3.4
     - python: 3.5
     - python: 3.6
+    - python: 3.7
     - python: "nightly"
       env: PRE=--pre
   allow_failures:
