(self)
return self().__fields__
Calls the selector without arguments, creating a
        :class:`Selection` instance and return
        :func:`Selection.__fields__` method, ready to be called.

        To query the actual field this selector operates, use
        ``self.__field__``
Calls the selector without arguments, creating a
        :class:`Selection` instance and return
        :func:`Selection.__fields__` method, ready to be called.
Calls the selector without arguments creating a : class : Selection instance and return : func : Selection . __fields__ method ready to be called .
def __fields__(self):
        '''Calls the selector without arguments, creating a
        :class:`Selection` instance and return
        :func:`Selection.__fields__` method, ready to be called.

        To query the actual field this selector operates, use
        ``self.__field__``
        '''
        return self().__fields__
def __fields__ ( self ) : return self ( ) . __fields__