Update app.py

app.py

@@ -48,7 +48,7 @@ class StreamingAutismResearchBot(AutismResearchBot):
             model_name="pritamdeka/S-PubMedBert-MS-MARCO",
             model_kwargs={'device': 'cpu'}
         )
-        self.db = FAISS.load_local(index_path, self.embeddings, allow_dangerous_deserialization=True)
+        self.db = FAISS.load_local("./", self.embeddings, allow_dangerous_deserialization=True)
         
         self.memory = ConversationBufferMemory(
             memory_key="chat_history",