typos

gleu.py

@@ -159,12 +159,11 @@ class GLEU():
         # smooth 0 counts for sentence-level scores
         if smooth :
             stats = [ s if s != 0 else 1 for s in stats ]
-        if len(filter(lambda x: x==0, stats)) > 0:
+        if len(list(filter(lambda x: x==0, stats))) > 0:
             return 0
         (c, r) = stats[:2]
-        log_gleu_prec = sum([math.log(float(x)/y)
-                             for x,y in zip(stats[2::2],stats[3::2])]) / 4
-        return math.exp(min([0, 1-float(r)/c]) + log_gleu_prec)
+        log_gleu_prec = sum([log(float(x)/y) for x,y in zip(stats[2::2],stats[3::2])]) / 4
+        return exp(min([0, 1-float(r)/c]) + log_gleu_prec)