import tensorflow as tf

            # Monitor values
            (summary_op, monitored_values) = self._add_monitoring_of_values()

            # Add saver
            tf_vars = tf.global_variables()
            saver = tf.train.Saver(tf_vars)

            # Allow loading of model variables
            (var_phs, vars_assign_op) = self._add_vars_assign_op(tf_vars)

