Restore python version attribute for cached property from
-i https://pypi.org/simple/
appdirs==1.4.4
attrs==22.2.0
-backports.cached-property==1.0.2
+backports.cached-property==1.0.2; python_version <= '3.7'
cattrs==22.2.0; python_version >= '3.7'
certifi==2022.12.7
charset-normalizer==3.0.1
