Downgrade pytest-flake8 again to support older python

Author: CPBridge

pyproject.toml

@@ -55,7 +55,7 @@ test = [
     "mypy==0.982",
     "pytest==7.1.3",
     "pytest-cov==3.0.0",
-    "pytest-flake8==1.2.2",
+    "pytest-flake8==1.1.3",
     "pytest-localserver==0.5.0",
     "types-requests==2.27.14",
     "types-Pillow==9.0.8",