(cls)
return cls._meta.pk
Returns the primary key :class:`Field` for this model. This is a
proxy for the :attr:`Metaclass.pk` attribute.
Returns the primary key :class:`Field` for this model. This is a
proxy for the :attr:`Metaclass.pk` attribute.
Returns the primary key : class : Field for this model . This is a proxy for the : attr : Metaclass . pk attribute .
def pk(cls):
        '''Returns the primary key :class:`Field` for this model. This is a
proxy for the :attr:`Metaclass.pk` attribute.'''
        return cls._meta.pk
def pk ( cls ) : return cls . _meta . pk