fix: add button functionality

app.py

@@ -25,8 +25,9 @@ prod_title = st.text_input('Type a title to generate a synopsis')
 
 st.button('Get synopsis')
 
-if prod_title:
-    gen_synopsis = generate_synopsis(model, tokenizer, prod_title)
-    st.text_area(gen_synopsis, disabled=True)
-
-
+if st.button('Get synopsis'):
+    if len(prod_title.split(' ')) > 0:
+        gen_synopsis = generate_synopsis(model, tokenizer, prod_title)
+        st.text_area(gen_synopsis, disabled=True)
+    else:
+        st.write('Write a title for the generator to work !')