re-add setuptools update

Michael Davis · Michael Davis · commit 9b02073c59a8 · 2018-01-15T20:54:52.000-06:00
diff --git a/.travis.yml b/.travis.yml
@@ -9,7 +9,7 @@ python:
   - "3.6"
   - "pypy-5.3.1"
 install:
-  - pip install -U tox codecov tox-travis
+  - pip install -U setuptools && pip install -U tox codecov tox-travis
 script:
   - tox
 after_success:
