def test_ncr_sample_wt_fit():
 ncr = NeighbourhoodCleaningRule(random_state=RND_SEED)
 assert_raises(RuntimeError, ncr.sample, X, Y)

def test_ncr_sample_wt_fit ( ) : ncr = NeighbourhoodCleaningRule ( random_state = RND_SEED ) assert_raises ( RuntimeError , ncr . sample , X , Y )
test either if an error is raised when sample is called before fitting .