update-python-libraries: fix helper script after by-name migration

Changed files
+1 -1
maintainers
+1 -1
maintainers/scripts/update-python-libraries
···
#!/usr/bin/env nix-shell
#!nix-shell -I nixpkgs=channel:nixpkgs-unstable -i bash -p "python3.withPackages (ps: with ps; [ packaging requests ])" -p nix-prefetch-git
-
exec python3 pkgs/development/interpreters/python/update-python-libraries/update-python-libraries.py $@
+
exec python3 pkgs/by-name/up/update-python-libraries/update-python-libraries.py $@