___________________________________________________________
tf_op_layer_Shape_2 (TensorFlow [(2,)]               0           tf_op_layer_Add[0][0]
__________________________________________________________________________________________________
tf_op_layer_Shape_4 (TensorFlow [(2,)]               0           z[0][0]
__________________________________________________________________________________________________
tf_op_layer_Shape_6 (TensorFlow [(2,)]               0           z[0][0]
_____________________