Update app.py

reference to self.web_agent

app.py

@@ -55,7 +55,7 @@ class BasicAgent:
         self.agent = CodeAgent(
         model=InferenceClientModel("deepseek-ai/DeepSeek-R1", provider="together", max_tokens=8096),
         tools=[GoogleSearchTool(), VisitWebpageTool()],
-        managed_agents=[web_agent],
+        managed_agents=[self.web_agent],
         additional_authorized_imports=["pandas","json","numpy"],
         planning_interval=5,
         max_steps=20,