Update config.json

config.json

@@ -56,7 +56,7 @@
       "temperature": 0.7,
       "max_length": 100,
       "top_p": 0.95,
-      "top_k": 0.50,
+      "top_k": 50,
       "wait_for_model": true,
       "num_return_sequences": 2
     }