diff --git a/tests/backend/api/test_fetcher.py b/tests/backend/api/test_fetcher.py
index 1cbbd98..0ec4d85 100644
--- a/tests/backend/api/test_fetcher.py
+++ b/tests/backend/api/test_fetcher.py
@@ -22,10 +22,10 @@
 async def this_fetcher(dbsession):
     global fetcher
     q = sa.insert(db_models.Fetcher).values(**fetcher).returning(db_models.Fetcher)
-    fetcher = dbsession.scalar(q)
+    fetcher_db = dbsession.scalar(q)
     dbsession.flush()
 
-    yield fetcher.id_
+    yield fetcher_db.id_
 
     q = sa.delete(db_models.Fetcher).where(db_models.Fetcher.id_ == id)
     dbsession.execute(q)
diff --git a/tests/backend/api/test_metric.py b/tests/backend/api/test_metric.py
index 9ee65c6..39ffd03 100644
--- a/tests/backend/api/test_metric.py
+++ b/tests/backend/api/test_metric.py
@@ -13,10 +13,10 @@
 async def this_metric(dbsession):
     global metric
     q = sa.insert(db_models.Metric).values(**metric).returning(db_models.Metric)
-    metric = dbsession.scalar(q)
+    metric_db = dbsession.scalar(q)
     dbsession.flush()
 
-    yield metric.id_
+    yield metric_db.id_
 
     q = sa.delete(db_models.Metric).where(db_models.Metric.id_ == id)
     dbsession.execute(q)
diff --git a/tests/backend/api/test_reciever.py b/tests/backend/api/test_reciever.py
index 5b37ce9..ce4aab3 100644
--- a/tests/backend/api/test_reciever.py
+++ b/tests/backend/api/test_reciever.py
@@ -15,11 +15,11 @@
 @pytest_asyncio.fixture
 async def this_receiver(dbsession):
     global receiver
-    q = sa.insert(db_models.Receiver).values(**receiver.model_dump()).returning(db_models.Receiver)
-    receiver = dbsession.execute(q).scalar()
+    q = sa.insert(db_models.Receiver).values(**receiver).returning(db_models.Receiver)
+    receiver_db = dbsession.execute(q).scalar()
     dbsession.flush()
 
-    yield receiver.id_
+    yield receiver_db.id_
 
     q = sa.delete(db_models.Receiver).where(db_models.Receiver.id_ == id)
     dbsession.execute(q)