def combine(self, parallel_node, upsample_node, current_level,
is_training):
return add([parallel_node, upsample_node],
name='add' + str(current_level))
def combine(self, parallel_node, upsample_node, current_level, is_training):
node = add([parallel_node, upsample_node], name='concat' + str(current_level))
return node