Update app.py

Switching theme function to Streamlit because gradio still gave error stating gr not defined

app.py

@@ -1,10 +1,10 @@
 import streamlit as st
 import pandas as pd
 from transformers import pipeline, AutoConfig, AutoTokenizer, AutoModelForSeq2SeqLM, AutoModelForCausalLM, MistralForCausalLM
-from peft import PeftModel, PeftConfig
-import gradio as gr
+from peft import PeftModel, PeftConfigimport streamlit as st
+from streamlit_theme import theme
 
-gr.set_theme(custom_theme="pseudolab/huggingface-korea-theme'")
+st.set_theme("pseudolab/huggingface-korea-theme')
 
 #Note this should be used always in compliance with applicable laws and regulations if used with real patient data.