Update config.json with repetition penalties

config.json

@@ -34,6 +34,6 @@
   "num_beams": 5,
   "early_stopping": false,
   "length_penalty": 1.0,
-  "no_repeat_ngram_size": 3,
-  "repetition_penalty": 1.2
+  "no_repeat_ngram_size": 2,
+  "repetition_penalty": 2.0
 }