Update app.py

app.py

@@ -55,7 +55,7 @@ CHROMA_PDF = './chroma/kkg/pdf'
 CHROMA_WORD = './chroma/kkg/word'
 CHROMA_EXCEL = './chroma/kkg/excel'
 #HuggingFace Model name--------------------------------
-MODEL_NAME_HF  = "stabilityai/stablelm-2-12b-chat" #"gpt-3.5-turbo" #"meta-llama/Meta-Llama-3-8B-Instruct" #"mistralai/Mistral-7B-Instruct-v0.3" #"microsoft/Phi-3-mini-4k-instruct" #"HuggingFaceH4/zephyr-7b-alpha" 
+MODEL_NAME_HF  = "gpt-3.5-turbo" #"meta-llama/Meta-Llama-3-8B-Instruct" #"mistralai/Mistral-7B-Instruct-v0.3" #"microsoft/Phi-3-mini-4k-instruct" #"HuggingFaceH4/zephyr-7b-alpha" 
 
 #HuggingFace Reop ID--------------------------------
 #repo_id = "meta-llama/Llama-2-13b-chat-hf"