degraded flake8 version to avoid extra rules for python linting

Author: sacOO7

poetry.lock

@@ -52,10 +52,7 @@ pytest = "^7.1"
 mock = "^4.0.3"
 pep8-naming = "^0.4.1"
 pytest-cov = "^2.4"
-flake8=[
-  { version = "3.9.2", python = "~3.7" },
-  { version = "7.0.0", python = "^3.8" }
-]
+flake8="^3.9.2"
 pytest-xdist = "^1.15"
 respx = "^0.20.0"
 importlib-metadata = "^4.12"