code: def _parse_classification_labels(dataset):
      classes = []
      for label in dataset.classes:
          if isinstance(label, tuple):
              label = label[0]
  
          classes.append(label)
  
      return classes
  
imports: import eta.core.utils
  import fiftyone.core.labels
  import fiftyone.core.utils
  import fiftyone.types
  import fiftyone.utils.coco
  import fiftyone.utils.data
  import fiftyone.utils.imagenet
  import fiftyone.utils.voc
  import fiftyone.zoo.datasets
label_desc: Use image node_id 4 for calling a global function with example usage: _parse_classification_labels(dataset) and returns: classes