allow python 3.6 dep adjustments

Author: bckohan

pyproject.toml

@@ -59,7 +59,7 @@ sphinx-argparse = "^0.3.0"
 Js2Py = "^0.71"
 deepdiff = "^5.2.3"
 safety = "^2.0.0"
-readme-renderer = "^36.0"
+readme-renderer = "^34.0"
 pygount = "^1.2.4"
 types-PyYAML = "^6.0"
 coverage = "^6.2"