Update chatbot.py

chatbot.py

@@ -9,7 +9,7 @@ from deep_translator import GoogleTranslator
 
 
 class Comsatsbot:
-    def __init__(self, hf_space_repo, llm, api_keys, chats_collection, index_path='faiss_kb'):
+    def __init__(self, hf_space_repo, llm, api_keys, chats_collection,index_path: str = "faiss_kb" ):
         self.llm = llm
         self.api_keys = api_keys
         self.client = None