python3packages.ruyaml: fix tests

+4
+4
pkgs/development/python-modules/ruyaml/default.nix
··· 37 37 pytestCheckHook 38 38 ]; 39 39 40 + pytestFlagsArray = [ 41 + "-W" "ignore::DeprecationWarning" 42 + ]; 43 + 40 44 pythonImportsCheck = [ 41 45 "ruyaml" 42 46 ];