Update app.py

app.py

@@ -24,9 +24,9 @@ from dataclasses import dataclass
 from datetime import datetime
 from transformers import AutoTokenizer, AutoModelForCausalLM ,pipeline
 from langchain_huggingface.llms import HuggingFacePipeline
-
+import re
 from langchain_huggingface.llms import HuggingFacePipeline
-from transformers import AutoModelForCausalLM, AutoTokenizer, pipeline
+from transformers import AutoModelForCausalLM, AutoTokenizer, pipeline,BitsAndBytesConfig,TextIteratorStreamer
 
 
 # Configure logging