Don't do any attempted cleanup of the Python framework so that Munki-driven updates of Munki don't crash mid-upgrade

code/tools/pkgresources/Scripts_python/postinstall

@@ -1,6 +1,4 @@
 #!/bin/sh
 
-# removes old versions when installing/upgrading the Python framework.
-# will need to be updated if/when we move to Python 3.9
-
-/bin/rm -rf "$3/usr/local/munki/Python.framework/Versions/3.7"
+# currently does nothing at all
+exit 0