Allow WP All Import to create events with Events Manager

wp-all-import-events-manager.php

// Create a proper EM_Event object in the database when an event-type post is
// imported with WP All import
add_action('pmxi_saved_post', 'post_saved', 10, 1);
function post_saved($post_id) {
  if (class_exists(EM_Event)) {
    $event_post = get_post($post_id);

    // Only create a new event entry if the imported post is of type event and
    // there is not an existing event for this post
    $existing_event = em_get_event($event_post->ID, 'post_id');
    if ($event_post->post_type == 'event' && empty($existing_event->event_id)) {
      add_filter('em_event_can_manage', 'force_can_manage', 10, 1);
      $event = new EM_Event();
      $event->load_postdata($event_post);
      $event->save();
      remove_filter('em_event_can_manage', 'force_can_manage');
    }
  }
}
function force_can_manage($boolean) {
  return true;
}