Add python 3.7 support

rmk135 · rmk135 · commit d90b79456840 · 2018-08-17T00:13:41.000+03:00
diff --git a/.travis.yml b/.travis.yml
@@ -27,6 +27,10 @@ matrix:
       env: TOXENV=py35
     - python: 3.6
       env: TOXENV=py36
+    - python: 3.7
+      env: TOXENV=py37
+      sudo: required
+      dist: xenial
     - python: pypy
       env: TOXENV=pypy
 notifications:
