missing bn in shake_resnet ?

hi
there seems to be a missing bn between line 66, 67

could you plz check that for me ?

ref:
line 138-142 at
https://github.com/xgastaldi/shake-shake/blob/master/models/shakeshake.lua
line 135-142 at
https://github.com/tensorflow/models/blob/master/research/autoaugment/shake_shake.py
