V6 Post migration cleanup

tests/test_models.py

@@ -115,6 +115,8 @@ class TestDocumentModel:
         assert isinstance(document.id, UUID)
         assert document.created_at is not None
         assert document.updated_at is not None
+        assert document.created_at.tzinfo is None
+        assert document.updated_at.tzinfo is None
 
     def test_can_reference_document_type_registry(self, session):
         document_type = _persist_document_type(session, label="Record")
@@ -140,6 +142,8 @@ class TestJobModel:
         assert job.retry_count == 0
         assert job.date_created is not None
         assert job.date_updated is not None
+        assert job.date_created.tzinfo is None
+        assert job.date_updated.tzinfo is None
 
     def test_transitions_to_transcribed(self, session):
         document = _persist_document(session)
@@ -183,6 +187,7 @@ class TestSourceModel:
         assert fetched.document_id == document.id
         assert fetched.page_number == 1
         assert fetched.date_uploaded is not None
+        assert fetched.date_uploaded.tzinfo is None
 
     def test_revised_text_is_supported(self, session):
         document = _persist_document(session)