Update app.py

app.py

@@ -5,7 +5,7 @@ from langchain.vectorstores import FAISS
 from langchain.embeddings import HuggingFaceEmbeddings
 from langchain.text_splitter import RecursiveCharacterTextSplitter
 from langchain.document_loaders import PyPDFLoader
-from langchain_huggingface import HuggingFaceEndpoint
+from langchain_huggingface import ChatHuggingFaceEndpoint
 import tempfile
 
 # Initialize global variables
@@ -29,9 +29,8 @@ def process_pdf(file):
     retriever = vectorstore.as_retriever(search_kwargs={"k": 4})
 
     # ✅ Wrap DeepSeek model properly
-    llm = HuggingFaceEndpoint(
+    llm = ChatHuggingFaceEndpoint(
         repo_id="deepseek-ai/DeepSeek-R1-0528",
-        task="conversational",   # 👈 force the correct mode
         temperature=0.7,
         max_new_tokens=512
     )