Revert "MAINT: pin flake8 to stable version (scikit-learn#13066)"

Xing · Xing · commit 620f9f84bd0f · 2019-04-28T15:16:38.000-04:00
This reverts commit 017ec73.
diff --git a/.circleci/config.yml b/.circleci/config.yml
@@ -67,7 +67,7 @@ jobs:
       - run: ./build_tools/circle/checkout_merge_commit.sh
       - run:
           name: dependencies
-          command: sudo pip install flake8==3.6.0
+          command: sudo pip install flake8
       - run:
           name: flake8
           command: ./build_tools/circle/flake8_diff.sh
