Import all events declared for all currently installed apps

    This function walks through the list of installed apps and tries to
    import a module named `EVENTS_MODULE_NAME`.

def import_event_modules():
    """Import all events declared for all currently installed apps

    This function walks through the list of installed apps and tries to
    import a module named `EVENTS_MODULE_NAME`.
    """
    for installed_app in getsetting('INSTALLED_APPS'):
        module_name = u'{}.{}'.format(installed_app, EVENTS_MODULE_NAME)
        try:
            import_module(module_name)
        except ImportError:
            pass