Update app.py

app.py

@@ -66,12 +66,12 @@ def predict(
 
 def proc_submission(
     input_text: str,
-    model_name: str,
-    num_beams: int,
-    token_batch_length: int,
-    length_penalty: float,
-    repetition_penalty: float,
-    no_repeat_ngram_size: int,
+    model_name: str ="pszemraj/led-large-book-summary",
+    num_beams: int =2,
+    token_batch_length: int =1024,
+    length_penalty: float = 0.7,
+    repetition_penalty: float =3.5,
+    no_repeat_ngram_size: int =3,
     max_input_length: int = 2560,
 ):
     """