Update app.py

app.py

@@ -5,6 +5,7 @@ import inspect
 import pandas as pd
 
 import asyncio
+import nest_asyncio
 from llama_index.core.agent.workflow import AgentWorkflow
 from llama_index.llms.huggingface_api import HuggingFaceInferenceAPI
 from youtube_tool import youtube_transcript_tool, youtube_transcript_snippet_tool
@@ -31,7 +32,17 @@ class BasicAgent:
             llm=self.llm,
         )
     def __call__(self, question: str) -> str:
-        return asyncio.get_event_loop().run_until_complete(super().__call__(question))
+        try:
+            loop = asyncio.get_running_loop()
+        except RuntimeError:
+            loop = asyncio.new_event_loop()
+            asyncio.set_event_loop(loop)
+
+        # Fix for notebooks / AnyIO threads
+        nest_asyncio.apply(loop)
+
+        # Run async agent synchronously
+        return loop.run_until_complete(self.llamaindex_agent.run(question))
         
         #print(f"Agent received question (first 50 chars): {question[:50]}...")
         #fixed_answer = "This is a default answer."