Update app.py

app.py

@@ -118,7 +118,7 @@ def generate(prompt, history,max_new_tokens,health,temperature=temperature,top_p
                 except Exception as e:
                     print(e)
                     pass
-        if ": " in line[:12]:
+        if ": " in line[:20]:
             try:
                 lab_1 = line.split(": ")[0]