Update app.py

tweak initial params

app.py

@@ -13,7 +13,7 @@ from transformers import (
 )
 
 MAX_MAX_NEW_TOKENS = 1024
-DEFAULT_MAX_NEW_TOKENS = 256
+DEFAULT_MAX_NEW_TOKENS = 50
 MAX_INPUT_TOKEN_LENGTH = 512
 
 DESCRIPTION = """\
@@ -104,14 +104,14 @@ chat_interface = gr.ChatInterface(
             minimum=0.05,
             maximum=1.0,
             step=0.05,
-            value=0.4,
+            value=0.5,
         ),
         gr.Slider(
             label="Top-k",
             minimum=1,
             maximum=1000,
             step=1,
-            value=10,
+            value=3,
         ),
         gr.Slider(
             label="Repetition penalty",