Remove flake8 requirement restriction as its no longer needed (#981)

bdraco · web-flow · commit bc64d63ef73e · 2021-09-16T11:02:58.000-10:00
diff --git a/requirements-dev.txt b/requirements-dev.txt
@@ -3,8 +3,7 @@ black;implementation_name=="cpython"
 bump2version
 coveralls
 coverage
-# Version restricted because of https://github.com/PyCQA/pycodestyle/issues/741 - is fixed
-flake8>=3.6.0
+flake8
 flake8-import-order
 ifaddr
 mypy;implementation_name=="cpython"
