added one close button :-)

app.py

@@ -35,7 +35,7 @@ def load_t5():
 
     tokenizer = AutoTokenizer.from_pretrained("t5-base")
     return model, tokenizer
-
+cancel_button=st.empty()
 
 @st.cache
 def custom_model():
@@ -99,6 +99,9 @@ if st.button("Process",type="primary"):
                 summary = []
 
                 for x in stqdm(range(len(text))):
+                    
+                    if cancel_button.button("Cancel",key=x):
+                        break
                     try:
                         summary.append(
                             model(