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--- a/scripts/restore_project.py
+++ b/scripts/restore_project.py
@@ -64,7 +64,7 @@
     res = {}
     for m in Mapper.all_mappers():
         cls = m.mapped_class
-        cname = cls.__mongometa__.name
+        cname = m.collection.m.collection_name
         if issubclass(cls, M.Repository): res[cname] = cls
     return res