Merge pull request #4 from xdtdaniel/patch-1

Update a for loop in data utils

data_utils.py

@@ -320,7 +320,7 @@ def _create_buckets(self):
             if idx_bucket != -1:
                 buckets[idx_bucket].append(i)
 
-        for i in range(len(buckets) - 1, 0, -1):
+        for i in range(len(buckets) - 1, -1, -1):
             if len(buckets[i]) == 0:
                 buckets.pop(i)
                 self.boundaries.pop(i+1)