✨ add flake8 install back

chfw · chfw · commit 0fe3a5d8b4bd · 2019-07-14T08:32:26.000+01:00
diff --git a/.travis.yml b/.travis.yml
@@ -36,6 +36,7 @@ stages:
     submodules: false
   python: 3.6
   stage: lint
+  install: pip install flake8
   script: make lint
 
 jobs:
