import tensorflow as tf

                        assert tf.get_variable_scope().reuse is False

                    return tf.nn.relu(x) - alpha * tf.nn.relu(-x)
                
            def instance_norm(x,name='instance_norm'):
			
                with tf.variable_scope(name):
                    if reuse:
                        tf.get_variable_scope().reuse_variables()
                    else:
                        assert tf.get_variable_scope().reuse is False

