Update app.py

app.py

@@ -112,8 +112,7 @@ from llama_index.callbacks import CallbackManager, TokenCountingHandler
 from llama_index import load_index_from_storage, load_indices_from_storage, load_graph_from_storage
 
 #token_counter = TokenCountingHandler(
-  #  tokenizer=tiktoken.encoding_for_model("gpt-3.5-turbo").encode
-)
+  #  tokenizer=tiktoken.encoding_for_model("gpt-3.5-turbo").encode)
 
 #callback_manager = CallbackManager([token_counter])