Update app.py

app.py

@@ -37,7 +37,7 @@ class StreamingGroqLLM(GroqLLM):
         return ''.join(collected_messages)
 
 class StreamingAutismResearchBot(AutismResearchBot):
-    def __init__(self, groq_api_key: str, stream_handler: StreamHandler, index_path: str = "./"):
+    def __init__(self, groq_api_key: str, stream_handler: StreamHandler, index_path: str = "./index"):
         self.llm = StreamingGroqLLM(
             groq_api_key=groq_api_key,
             model_name="llama-3.3-70b-versatile",