def sentence_chrf(reference, hypothesis, min_len=1, max_len=6, beta=3.0):
 return corpus_chrf([reference], [hypothesis], min_len, max_len, beta=beta)

def sentence_chrf ( reference , hypothesis , min_len = 1 , max_len = 6 , beta = 3.0 ) : return corpus_chrf ( [ reference ] , [ hypothesis ] , min_len , max_len , beta = beta )
calculates the sentence level chrf described in - maja popovic .