Update translation.py

translation.py

@@ -179,7 +179,7 @@ class Translator:
 
               
         num_batches = len(sentences) // self.BATCH_SIZE
-        if len(sentences) % BATCH_SIZE != 0:
+        if len(sentences) % self.BATCH_SIZE != 0:
             num_batches += 1
                       
         results = []