re-add the model params because of the num heads

convert_model.sh

@@ -7,8 +7,9 @@ set -e
 # more device will not be used. e.g. you set device=(0 1 2 3), but you only choose three evalset, the gpu=3 will not be used
 device=(0 1 2 3 4 5 6 7)
 # your tag, must set!
-tag=big_v3_multistep4
-
+tag=baseline
+# you should select model params for choosing the correct num heads
+params=transformer_base
 model_dir=t2tmodel/$tag/ensemble15
 
 output_dir=checkpoints/$tag