style: apply Ruff auto-fixes from pre-commit hook

Made-with: Cursor

api/app_factory.py

@@ -129,7 +129,7 @@ def create_app() -> tuple[socketio.WSGIApp, DifyApp]:
     app = create_flask_app_with_configs()
     initialize_extensions(app)
 
-    setattr(sio, "app", app)
+    sio.app = app
     socketio_app = socketio.WSGIApp(sio, app)
 
     end_time = time.perf_counter()

api/controllers/console/socketio/workflow.py

@@ -42,7 +42,7 @@ def socket_connect(sid, environ, auth):
             logging.warning("Socket connect rejected: missing user_id (sid=%s)", sid)
             return False
 
-        with getattr(sio, "app").app_context():
+        with sio.app.app_context():
             user = AccountService.load_logged_in_account(account_id=user_id)
             if not user:
                 logging.warning("Socket connect rejected: user not found (user_id=%s, sid=%s)", user_id, sid)

api/dify_graph/nodes/llm/node.py

@@ -138,7 +138,6 @@ if TYPE_CHECKING:
     from core.skill.entities.skill_bundle import SkillBundle
     from core.skill.entities.tool_dependencies import ToolDependencies, ToolDependency
     from core.tools.__base.tool import Tool
-
     from dify_graph.file.models import File
     from dify_graph.runtime import GraphRuntimeState