Update app.py

Increased max tokens slider values

app.py

@@ -15,7 +15,7 @@ def format_prompt(message, history):
   return prompt
 
 def generate(
-    prompt, history, temperature=0.9, max_new_tokens=1024, top_p=0.95, repetition_penalty=1.0,
+    prompt, history, temperature=0.9, max_new_tokens=2048, top_p=0.95, repetition_penalty=1.0,
 ):
     temperature = float(temperature)
     if temperature < 1e-2:
@@ -56,7 +56,7 @@ additional_inputs=[
         label="Max new tokens",
         value=256,
         minimum=0,
-        maximum=1048,
+        maximum=2048,
         step=64,
         interactive=True,
         info="The maximum numbers of new tokens",