fix mypy

src/maggma/stores/mongolike.py

@@ -333,7 +333,7 @@ def __init__(self, uri: str, database: str, collection_name: str, **kwargs):
         self.collection_name = collection_name
         self.kwargs = kwargs
         self._collection = None
-        super(MongoStore).__init__(**kwargs)
+        super(MongoStore, self).__init__(**kwargs)
 
     @property
     def name(self) -> str: