diff --git a/graphene_sqlalchemy/batching.py b/graphene_sqlalchemy/batching.py
index a580451..731d764 100644
--- a/graphene_sqlalchemy/batching.py
+++ b/graphene_sqlalchemy/batching.py
@@ -137,9 +137,7 @@ def _get_loader(relationship_prop):
             RELATIONSHIP_LOADERS_CACHE[relationship_prop] = loader
         return loader
 
-    loader = _get_loader(relationship_prop)
-
     async def resolve(root, info, **args):
-        return await loader.load(root)
+        return await _get_loader(relationship_prop).load(root)
 
     return resolve
diff --git a/graphene_sqlalchemy/tests/models.py b/graphene_sqlalchemy/tests/models.py
index b638b5d..45d2379 100644
--- a/graphene_sqlalchemy/tests/models.py
+++ b/graphene_sqlalchemy/tests/models.py
@@ -26,7 +26,6 @@
 from graphene_sqlalchemy.utils import SQL_VERSION_HIGHER_EQUAL_THAN_1_4, SQL_VERSION_HIGHER_EQUAL_THAN_2
 
 # fmt: off
-import sqlalchemy
 if SQL_VERSION_HIGHER_EQUAL_THAN_2:
     from sqlalchemy.sql.sqltypes import HasExpressionLookup # noqa  # isort:skip
 else: