nickhamze/Edit-Flow — comment on commit 8d598a9a60e6f3756daa5a8965c1db0957584d97
File: modules/notifications/notifications.php line 90
By sbressler:

Thanks for the input, Nacin! To be explicit:
$screen = get_current_screen();
if ( !method_exists( $screen, 'add_help_tab' ) ) return;