diff --git a/api/tests/integration_tests/services/test_node_output_inspector_service.py b/api/tests/integration_tests/services/test_node_output_inspector_service.py
index 0b7d2794d75..318d3abae98 100644
--- a/api/tests/integration_tests/services/test_node_output_inspector_service.py
+++ b/api/tests/integration_tests/services/test_node_output_inspector_service.py
@@ -457,9 +457,7 @@ def test_output_preview_for_file_renders_signed_url(seeded_run, fake_app_model):
             select(WorkflowNodeExecutionModel).where(WorkflowNodeExecutionModel.id == agent_execution.id)
         )
         assert row is not None
-        row.outputs = json.dumps(
-            {"report": {"file_id": "550e8400-e29b-41d4-a716-446655440000", "filename": "x.pdf"}}
-        )
+        row.outputs = json.dumps({"report": {"file_id": "550e8400-e29b-41d4-a716-446655440000", "filename": "x.pdf"}})
         session.commit()
 
     service = NodeOutputInspectorService(binding_resolver=_stub_resolver([{"name": "report", "type": "file"}]))
diff --git a/api/tests/unit_tests/services/agent/test_agent_services.py b/api/tests/unit_tests/services/agent/test_agent_services.py
index 508db7adc43..6110247827c 100644
--- a/api/tests/unit_tests/services/agent/test_agent_services.py
+++ b/api/tests/unit_tests/services/agent/test_agent_services.py
@@ -4438,9 +4438,7 @@ def test_composer_validator_rejects_stage_4_declared_output_violations():
         )
 
     with pytest.raises(InvalidComposerConfigError, match="reserved"):
-        ComposerConfigValidator.validate_node_job_dict(
-            {"declared_outputs": [{"name": "text", "type": "string"}]}
-        )
+        ComposerConfigValidator.validate_node_job_dict({"declared_outputs": [{"name": "text", "type": "string"}]})
 
     ComposerConfigValidator.validate_node_job_dict(
         {
diff --git a/api/tests/unit_tests/services/workflow/test_node_output_inspector_service.py b/api/tests/unit_tests/services/workflow/test_node_output_inspector_service.py
index bdf124c7357..285acab49f5 100644
--- a/api/tests/unit_tests/services/workflow/test_node_output_inspector_service.py
+++ b/api/tests/unit_tests/services/workflow/test_node_output_inspector_service.py
@@ -489,9 +489,7 @@ def test_file_output_preview_includes_signed_url(session_for: SessionFor) -> Non
         return_value="https://signed.example/x.pdf",
     ):
         snapshot = service.snapshot_workflow_run(app_model=_app_model(), workflow_run_id="run-1", session=session)
-    preview_value = next(
-        output.value_preview for output in snapshot.node_outputs[0].outputs if output.name == "report"
-    )
+    preview_value = next(output.value_preview for output in snapshot.node_outputs[0].outputs if output.name == "report")
     assert isinstance(preview_value, dict)
     assert preview_value["preview_url"] == "https://signed.example/x.pdf"
     assert preview_value["reference"] == file_payload["reference"]
@@ -628,9 +626,7 @@ def test_file_output_preview_uses_none_when_signed_url_resolution_fails(session_
     ):
         snapshot = service.snapshot_workflow_run(app_model=_app_model(), workflow_run_id="run-1", session=session)
 
-    preview_value = next(
-        output.value_preview for output in snapshot.node_outputs[0].outputs if output.name == "report"
-    )
+    preview_value = next(output.value_preview for output in snapshot.node_outputs[0].outputs if output.name == "report")
     assert isinstance(preview_value, dict)
     assert preview_value["preview_url"] is None