test ruff check fix fmt

tests/wf_mcp/workflow_surface/test_runs.py

@@ -3,7 +3,6 @@ from __future__ import annotations
 import asyncio
 
 from wf_artifacts import FileWorkflowArtifactStore, WorkflowDeployment
-from wf_authoring import node, reducer
 from wf_mcp.broker import WfMcpService
 from wf_mcp.models import ConnectionConfig
 from wf_mcp.storage import FileStore
@@ -15,18 +14,14 @@ from wf_platform import (
     SourceVisibility,
 )
 
-from ..test_support import echo_tool, input_binding, local_temp_root, output_binding
+from ..test_support import echo_tool, local_temp_root
 from .conftest import (
-    AmountInput,
-    AmountOutput,
     amount_tool,
     changed_echo_tool,
     custom_reducer_artifact,
     echo_artifact,
-    echo_draft,
     failing_artifact,
     failing_tool,
-    handlers,
     logical_echo_artifact,
     multiply,
 )