Update app.py

app.py

@@ -20,10 +20,17 @@ if 'count' not in st.session_state or st.session_state.count == 6:
   st.session_state.old_response = ''
 else:
   st.session_state.count += 1
-  
+
+# tokenize the new input sentence
 new_user_input_ids = tokenizer.encode(input + tokenizer.eos_token, return_tensors='pt')
+
+# append the new user input tokens to the chat history
 bot_input_ids = torch.cat([st.session_state.chat_history_ids, new_user_input_ids], dim=-1) if st.session_state.count > 1 else new_user_input_ids
+
+# generate a response 
 st.session_state.chat_history_ids = model.generate(bot_input_ids, max_length=500, pad_token_id=tokenizer.eos_token_id)
+
+# convert the tokens to text, and then split the responses into lines
 response = tokenizer.decode(st.session_state.chat_history_ids[:, bot_input_ids.shape[-1]:][0], skip_special_tokens=True)
 
 if st.session_state.old_response == response: