Update app.py

app.py

@@ -1,12 +1,12 @@
 import os
 import pandas as pd
 from datasets import load_dataset
-from langchain.llms import HuggingFacePipeline  # Correct import
+from langchain.llms import HuggingFacePipeline
 from langchain.embeddings import HuggingFaceEmbeddings
 from langchain.vectorstores import Chroma
 from langchain.chains import RetrievalQA
 from langchain.prompts import PromptTemplate
-from langchain.output_parsers import StrOutputParser
+from langchain_core.output_parsers import StrOutputParser  # Correct import
 from langchain.runnables import RunnablePassthrough
 import gradio as gr
 from transformers import AutoTokenizer, AutoModelForCausalLM, pipeline