Refact: simplify model name

backend/adapters/orm.py

@@ -1,11 +1,11 @@
 from sqlalchemy import Column, MetaData, String, Table
 from sqlalchemy.orm import mapper
 
-from backend.model.tribe import Tribe as TribeModel
+from backend.model.tribe import Tribe
 
 metadata = MetaData()
 
-tribes = Table(
+tribes_table = Table(
     "tribes",
     metadata,
     Column("name", String(255), primary_key=True),
@@ -14,4 +14,4 @@ tribes = Table(
 
 
 def start_mappers():
-    tribes_mapper = mapper(TribeModel, tribes)
+    tribes_mapper = mapper(Tribe, tribes_table)