Events+ & Google Maps & Events+ Maps add-on causes WP_DEBUG message re: AgmMapsWidget

Activating these 2 plugins and this 1 Events+ add-on causes this WP_DEBUG message to appear in wp-admin screens (did not check front-end)

[07-Oct-2016 14:48:26 UTC] PHP Notice: The called constructor method for WP_Widget in AgmMapsWidget is deprecated since version 4.3.0! Use

__construct()
instead. in /wp-includes/functions.php on line 3767
[07-Oct-2016 14:48:26 UTC] PHP Stack trace:
[07-Oct-2016 14:48:26 UTC] PHP 1. {main}() /wp-admin/admin.php:0
[07-Oct-2016 14:48:26 UTC] PHP 2. require_once() /wp-admin/admin.php:31
[07-Oct-2016 14:48:26 UTC] PHP 3. require_once() /wp-load.php:39
[07-Oct-2016 14:48:26 UTC] PHP 4. require_once() /wp-config.php:119
[07-Oct-2016 14:48:26 UTC] PHP 5. do_action() /wp-settings.php:411
[07-Oct-2016 14:48:26 UTC] PHP 6. call_user_func_array:{/wp-includes/plugin.php:524}() /wp-includes/plugin.php:524
[07-Oct-2016 14:48:26 UTC] PHP 7. wp_widgets_init() /wp-includes/plugin.php:524
[07-Oct-2016 14:48:26 UTC] PHP 8. do_action() /wp-includes/widgets.php:1474
[07-Oct-2016 14:48:26 UTC] PHP 9. call_user_func_array:{/wp-includes/plugin.php:524}() /wp-includes/plugin.php:524
[07-Oct-2016 14:48:26 UTC] PHP 10. agm_widgets_init() /wp-includes/plugin.php:524
[07-Oct-2016 14:48:26 UTC] PHP 11. register_widget() /wp-content/plugins/wpmu_dev_maps_plugin/wpmu_dev_maps_plugin.php:71
[07-Oct-2016 14:48:26 UTC] PHP 12. WP_Widget_Factory->register() /wp-includes/widgets.php:113
[07-Oct-2016 14:48:26 UTC] PHP 13. AgmMapsWidget->__construct() /wp-includes/class-wp-widget-factory.php:106
[07-Oct-2016 14:48:26 UTC] PHP 14. WP_Widget->WP_Widget() /wp-content/plugins/wpmu_dev_maps_plugin/inc/class-agm-maps-widget.php:8
[07-Oct-2016 14:48:26 UTC] PHP 15. _deprecated_constructor() /wp-includes/class-wp-widget.php:182
[07-Oct-2016 14:48:26 UTC] PHP 16. trigger_error() /wp-includes/functions.php:3767