chore: code format

Signed-off-by: -LAN- <laipz8200@outlook.com>

api/core/workflow/graph/__init__.py

@@ -10,7 +10,7 @@ __all__ = [
     "GraphTemplate",
     "NodeFactory",
     "ReadOnlyGraphRuntimeState",
-    "ReadOnlyVariablePool",
     "ReadOnlyGraphRuntimeStateWrapper",
+    "ReadOnlyVariablePool",
     "ReadOnlyVariablePoolWrapper",
 ]

api/core/workflow/graph/graph_runtime_state_protocol.py

@@ -18,7 +18,7 @@ class ReadOnlyVariablePool(Protocol):
 class ReadOnlyGraphRuntimeState(Protocol):
     """
     Read-only view of GraphRuntimeState for layers.
-    
+
     This protocol defines a read-only interface that prevents layers from
     modifying the graph runtime state while still allowing observation.
     All methods return defensive copies to ensure immutability.
@@ -56,4 +56,4 @@ class ReadOnlyGraphRuntimeState(Protocol):
 
     def get_output(self, key: str, default: Any = None) -> Any:
         """Get a single output value (returns a copy)."""
-        ...
+        ...

api/core/workflow/graph/read_only_state_wrapper.py

@@ -31,7 +31,7 @@ class ReadOnlyVariablePoolWrapper:
 class ReadOnlyGraphRuntimeStateWrapper:
     """
     Wrapper that provides read-only access to GraphRuntimeState.
-    
+
     This wrapper ensures that layers can observe the state without
     modifying it. All returned values are defensive copies.
     """
@@ -73,4 +73,4 @@ class ReadOnlyGraphRuntimeStateWrapper:
 
     def get_output(self, key: str, default: Any = None) -> Any:
         """Get a single output value (returns a copy)."""
-        return self._state.get_output(key, default)
+        return self._state.get_output(key, default)

api/core/workflow/graph_engine/graph_engine.py

@@ -16,8 +16,8 @@ from flask import Flask, current_app
 from core.app.entities.app_invoke_entities import InvokeFrom
 from core.workflow.entities import GraphRuntimeState
 from core.workflow.enums import NodeExecutionType
-from core.workflow.graph.read_only_state_wrapper import ReadOnlyGraphRuntimeStateWrapper
 from core.workflow.graph import Graph
+from core.workflow.graph.read_only_state_wrapper import ReadOnlyGraphRuntimeStateWrapper
 from core.workflow.graph_events import (
     GraphEngineEvent,
     GraphNodeEventBase,