Update __init__.py (#452)

Fix the fix for #424

Co-authored-by: Paul Baksic <30337881+bakpaul@users.noreply.github.com>

Author: hugtalbot

bindings/Sofa/package/__init__.py

@@ -394,5 +394,5 @@ def import_sofa_python_scene(path_to_scene : str):
     if not hasattr(module_name, "createScene"):
         raise Exception("Unable to find 'createScene' in module "+path_to_scene)
 
-    return foo
+    return module_name