import tensorflow as tf

    def build_cnet(self, state_in, name, reuse=False, batch_size=64):
        reg = tf.contrib.layers.l2_regularizer(1e-3)
        with tf.variable_scope(name, reuse=reuse):
            layer_c1 = tf.layers.dense(state_in, 512, tf.nn.relu, kernel_regularizer=reg)
