flake8 6.x breaks

Author: dcrosta

tox.ini

@@ -32,7 +32,7 @@ commands =
 skipsdist = true
 skip_install = true
 deps =
-    flake8
+    flake8<6
     flake8-quotes
     flake8-commas
     https://github.com/dcrosta/flake8-import-order/archive/add-fromsfirst-style.tar.gz#egg=flake8-import-order