Update app.py

app.py

@@ -212,11 +212,11 @@ with st.form(key='columns_in_form'):
                     for j in clusters[i]:
                         if j not in chosen:
                             chosen.append(j) # j is a stub.
-
-           
+            st.warning("selecting a value of 800 may result in tokenized chunks longer than the model sequence length.")
+            chunk_size = st.slider(label="Slider", min_value=100, max_value=800)
             # Digestor uses 'chosen' to create digest.  
             # 'user_choicese' is passed for reference.  
-            digestor = Digestor(timer=Timer(), cache = USE_CACHE, stubs=chosen, user_choices=selections)
+            digestor = Digestor(timer=Timer(), cache = USE_CACHE, stubs=chosen, user_choices=selections, chunk_size=chunk_size)
             # happens internally but may be used differently so it isn't automatic upon digestor creation.
             # Easily turn caching off for testing.
             st.warning("What you'll see:")