update app

app.py

@@ -1,5 +1,6 @@
 import streamlit as st
 
+@st.cache_resource 
 def load_topic_transfomers():
   from transformers import pipeline
   try:
@@ -22,17 +23,23 @@ def suggest_topic(text):
     return result['labels']
 
 st.title("Topic Suggestion")
-with st.spinner("Loading Model....."):
-    topic_classifier = load_topic_transfomers() 
-    st.success("Model_loaded")
 
-whole_text = st.text_input("Enter the text Here: ")
-predicted_topic = suggest_topic(whole_text)
+if 'topic_model' not in st.session_state:
+    with st.spinner("Loading Model....."):
+        topic_classifier = load_topic_transfomers() 
+        st.success("Model_loaded")
+    st.session_state.topic_model = True
 
-st.write('Suggested Topics')
-for i in predicted_topic:
-    st.write(i)
+whole_text = st.text_input("Enter the text Here: ")
 
+try:
+    predicted_topic = suggest_topic(whole_text)
+    
+    st.write('Suggested Topics')
+    for i in predicted_topic:
+        st.write(i)
+except Exception as e:
+    print("Error", e)