Upload app.py

app.py

@@ -23,10 +23,6 @@ from langchain.callbacks.streaming_stdout import StreamingStdOutCallbackHandler
 
 st.title("ChatPDF")
 
-st.markdown("""
-ChatPDF is a web application that can answer questions based on a PDF document. To use the app, simply upload a PDF file and type your question in the input box. The app will then use a powerful language model to generate an answer to your question.
-""")
-
 # Create a visual separator in the app.
 st.write("---")
 
@@ -99,7 +95,7 @@ if uploaded_file is not None:
             stream_hander = StreamHandler(chat_box)
 
             # Initialize the Q&A model and chain.
-            llm = CTransformers(model="llama-2-7b-chat.ggmlv3.q2_K.bin", model_type="llama", callbacks=[stream_hander])
+            llm = CTransformers(model="meta-llama/Llama-2-7b-chat-hf", model_type="llama", callbacks=[stream_hander])
             qa_chain = RetrievalQA.from_chain_type(llm, retriever=db.as_retriever())
             # Get the answer to the user's question.
             qa_chain({"query": question})