删除接口逻辑

controller/api/workflow_blueprint.py

@@ -2,10 +2,10 @@ import threading
 
 from flask import Blueprint, jsonify
 
+from model import db
 from model.Workflow import Workflow
 from util.flask import not_found_json_response
 from workflow.worker import do_workflow
-from model import db
 
 blueprint = Blueprint("api_workflow", __name__, url_prefix="/api/workflow")
 
@@ -40,7 +40,7 @@ def delete_workflow(workflow_id):
         db.session.commit()
     return jsonify({
         "id": workflow_id,
-        "old_data": workflow
+        "old_data": workflow.to_json() if workflow is not None else {}
     })