upgrade flake8 to 3.8.4 (pandas-dev#36882)

Tazminia · Kevin D Smith · commit aa6765c53c7a · 2020-11-02T08:51:46.000-06:00
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
@@ -4,7 +4,7 @@ repos:
     hooks:
     -   id: black
 -   repo: https://gitlab.com/pycqa/flake8
-    rev: 3.8.3
+    rev: 3.8.4
     hooks:
     -   id: flake8
         additional_dependencies: [flake8-comprehensions>=3.1.0]
