(self)
Implement on subclasses. Should return a `CheckResult` instance.
Implement on subclasses. Should return a `CheckResult` instance.
Implement on subclasses . Should return a CheckResult instance .
def _run(self):
        """
        Implement on subclasses. Should return a `CheckResult` instance.
        """
        raise NotImplementedError('Subclasses should implement')
def _run ( self ) : raise NotImplementedError ( 'Subclasses should implement' )