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open-mmlab · Sep 22, 2022 · 462d911 · 462d911
1 parent 3c8edd5
commit 462d911
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/mmengine/runner/runner.py b/mmengine/runner/runner.py
@@ -1911,6 +1911,10 @@ def resume(self,
 
         resumed_dataset_meta = checkpoint['meta'].get('dataset_meta', None)
         dataset_meta = getattr(self.train_dataloader.dataset, 'metainfo', None)
+
+        # `resumed_dataset_meta` and `dataset_meta` could be object like
+        # np.ndarray, which cannot be directly judged as equal or not,
+        # therefore we just compared their dumped results.
         if pickle.dumps(resumed_dataset_meta) != pickle.dumps(dataset_meta):
             warnings.warn(
                 'The dataset metainfo from the resumed checkpoint is '