fix: respect manually set 'propagatedBuildInputs' for buildPythonPackage

Author: DavHau

default.nix

@@ -206,7 +206,9 @@ rec {
       }));
     in
     py_final.pkgs."${func}" ( pass_args // {
-      propagatedBuildInputs = result.select_pkgs py_final.pkgs;
+      propagatedBuildInputs =
+        (result.select_pkgs py_final.pkgs)
+        ++ (if hasAttr "propagatedBuildInputs" args then args.propagatedBuildInputs else []);
       src = src;
       inherit doCheck pname version;
       passthru = passthru // {