xrange is from py2

gleu.py

@@ -115,8 +115,7 @@ class GLEU():
                             ngrams[nn] = new_ngrams[nn]
     
     def get_ngram_counts(self,sentence,n) :
-        return Counter([tuple(sentence[i:i+n])
-                        for i in xrange(len(sentence)+1-n)])
+        return Counter([tuple(sentence[i:i+n]) for i in range(len(sentence)+1-n)])
     
     # returns ngrams in a but not in b
     def get_ngram_diff(self,a,b) :
@@ -141,7 +140,7 @@ class GLEU():
       yield hlen
       yield rlen
     
-      for n in xrange(1,self.order+1):
+      for n in range(1,self.order+1):
         h_ngrams = self.this_h_ngrams[n-1]
         s_ngrams = self.all_s_ngrams[i][n-1]
         r_ngrams = self.get_ngram_counts(self.refs[i][r_ind],n)