Update app.py

app.py

@@ -79,18 +79,16 @@ async def get_agent_executor():
         
         client = MCPClient(command=sys.executable, args=["server.py"])
         tools_raw = await client.get_tools()
+
+        # Convert to OpenAI-compatible structured tools (CRITICAL FIX)
         tools = [convert_to_openai_tool(t) for t in tools_raw]
-        
+
         model = ChatGroq(model="openai/gpt-oss-20b")
-        
-        from langchain.agents import AgentExecutor  # ⭐ version-safe approach
-        _agent_executor = AgentExecutor.from_agent_and_tools(
-            agent=create_react_agent(model=model, tools=tools),
-            tools=tools,
-            verbose=True
-        )
-    return _agent_executor
 
+        # Stick to create_react_agent (compatible with your LangChain version)
+        _agent_executor = create_react_agent(model, tools)
+
+    return _agent_executor