def remove_embargo_countries(apps, schema_editor):
 country_model = apps.get_model(u'embargo', u'Country')
 country_model.objects.all().delete()

def remove_embargo_countries ( apps , schema_editor ) : country_model = apps . get_model ( u'embargo' , u'Country' ) country_model . objects . all ( ) . delete ( )
clear all available countries .