1 files changed, 4 insertions, 4 deletions
diff --git a/text_recognizer/models/metrics.py b/text_recognizer/models/metrics.py
index 4117ae2..9793157 100644
--- a/text_recognizer/models/metrics.py
+++ b/text_recognizer/models/metrics.py
@@ -1,5 +1,5 @@
 """Character Error Rate (CER)."""
-from typing import Set, Sequence
+from typing import Set
 
 import attr
 import editdistance
@@ -12,7 +12,7 @@ from torchmetrics import Metric
 class CharacterErrorRate(Metric):
     """Character error rate metric, computed using Levenshtein distance."""
 
-    ignore_tokens: Set = attr.ib(converter=set)
+    ignore_indices: Set = attr.ib(converter=set)
     error: Tensor = attr.ib(init=False)
     total: Tensor = attr.ib(init=False)
 
@@ -25,8 +25,8 @@ class CharacterErrorRate(Metric):
         """Update CER."""
         bsz = preds.shape[0]
         for index in range(bsz):
-            pred = [p for p in preds[index].tolist() if p not in self.ignore_tokens]
-            target = [t for t in targets[index].tolist() if t not in self.ignore_tokens]
+            pred = [p for p in preds[index].tolist() if p not in self.ignore_indices]
+            target = [t for t in targets[index].tolist() if t not in self.ignore_indices]
             distance = editdistance.distance(pred, target)
             error = distance / max(len(pred), len(target))
             self.error += error