Create utils.py

utils.py

@@ -0,0 +1,7 @@
+from nltk.translate.bleu_score import sentence_bleu, SmoothingFunction
+
+def compute_bleu(reference, hypothesis):
+smoothie = SmoothingFunction().method4
+ref = [reference.split()]
+hyp = hypothesis.split()
+return sentence_bleu(ref, hyp, smoothing_function=smoothie)