Allow list for Comet artifact class 'names' field (#9654)

* Update __init__.py

In the Comet logger, when I run train.py, it wants to download the data artifact. It was requiring me to format the 'names' field in the data artifact metadata as a dictionary, so I've changed this so that it also accepts a list.

Signed-off-by: KristenKehrer <34010022+KristenKehrer@users.noreply.github.com>

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* Update utils/loggers/comet/__init__.py

Co-authored-by: Dhruv Nair <dhruv.nair@gmail.com>
Signed-off-by: KristenKehrer <34010022+KristenKehrer@users.noreply.github.com>

Signed-off-by: KristenKehrer <34010022+KristenKehrer@users.noreply.github.com>
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Co-authored-by: Dhruv Nair <dhruv.nair@gmail.com>
Co-authored-by: Glenn Jocher <glenn.jocher@ultralytics.com>

utils/loggers/comet/__init__.py

@@ -353,7 +353,14 @@ def download_dataset_artifact(self, artifact_path):
  metadata = logged_artifact.metadata
  data_dict = metadata.copy()
  data_dict["path"] = artifact_save_dir
- data_dict["names"] = {int(k): v for k, v in metadata.get("names").items()}
+
+ metadata_names = metadata.get("names")
+ if type(metadata_names) == dict:
+ data_dict["names"] = {int(k): v for k, v in metadata.get("names").items()}
+ elif type(metadata_names) == list:
+ data_dict["names"] = {int(k): v for k, v in zip(range(len(metadata_names)), metadata_names)}
+ else:
+ raise "Invalid 'names' field in dataset yaml file. Please use a list or dictionary"
 
  data_dict = self.update_data_paths(data_dict)
  return data_dict