Update app.py

app.py

@@ -7,6 +7,9 @@ def main():
     st.header("Chat with your PDF")
     LLM_model = st.selectbox("Select Model",("OpenAI",
                                     "google/flan-t5-large",
+                                    "google/flan-ul2",
+                                    "OpenAssistant/oasst-sft-1-pythia-12b",
+                                    "bigscience/bloomz",
                                     "TODO: ADD MORE..."))
     if LLM_model == "OpenAI":
         openai_pdf()