Update app.py

app.py

@@ -72,7 +72,7 @@ def generate(prompt, history,max_new_tokens,temperature=temperature,top_p=top_p,
     for response in stream:
         output += response.token.text
         if history:
-            yield "",[history,[(prompt,output)]]
+            yield "",[[history],[(prompt,output)]]
         else:
             yield "",[(prompt,output)]
 
@@ -91,7 +91,7 @@ def generate(prompt, history,max_new_tokens,temperature=temperature,top_p=top_p,
             print(line)            
     
     if history:
-        return "",[history,[(prompt,output)]]
+        return "",[[history],(prompt,output)]]
     else:
         return "",[(prompt,output)]