(self)
return self.path + self.field
This key can be passed to a Django ORM values_list
This key can be passed to a Django ORM values_list
This key can be passed to a Django ORM values_list
def field_key(self):
        """ This key can be passed to a Django ORM values_list """
        return self.path + self.field
def field_key ( self ) : return self . path + self . field