drupal_routes/sites/all/modules/contrib/leaflet/leaflet_views/leaflet_views.install

<?php

/**
 * @file
 * Install functions for leaflet_views.
 */

/**
 * Add the Entity API module as a dependency.
 */
function leaflet_views_update_7000() {
  // Enable entity.
  if (!module_enable(array('entity'))) {
    throw new DrupalUpdateException('This version of Leaflet Views requires Entity API (entity), but it could not be enabled.');
  }
}