Update app.py

app.py

@@ -76,6 +76,17 @@ def respond(message, history):
             response += token
             yield response
 
+    if len(response) > char_limit:
+        response = response[:char_limit]
+
+    for punc in [".", "!", "?"]:
+        i = response.rfind(punc)
+        if i != -1:
+            response = response[:i+1]
+            break 
+            
+    yield response
+    
 chatbot = gr.ChatInterface(respond, type="messages")