test1

app.py

@@ -4,7 +4,7 @@ from PyPDF2 import PdfReader
 import openpyxl
 from langchain.text_splitter import RecursiveCharacterTextSplitter
 from langchain.embeddings import GooglePalmEmbeddings
-from langchain.llms import GooglePalm
+from langchain.llms import HuggingFaceTransformers  # Updated import
 from langchain.vectorstores import FAISS
 from langchain.chains import ConversationalRetrievalChain
 from langchain.memory import ConversationBufferMemory
@@ -41,7 +41,7 @@ def get_vector_store(text_chunks):
     return vector_store
 
 def get_conversational_chain(vector_store):
-    llm = GooglePalm()
+    llm = HuggingFaceTransformers(model_name="HanNayeoniee/LHK_DPO_v1")
     memory = ConversationBufferMemory(memory_key="chat_history", return_messages=True)
     conversation_chain = ConversationalRetrievalChain.from_llm(llm=llm, retriever=vector_store.as_retriever(), memory=memory)
     return conversation_chain