code: def clear_field(self, field_name):
      if field_name == "frames" and self.media_type == fomm.VIDEO:
          self.frames.clear()
          return
  
      super().clear_field(field_name)
  
imports: import os
  from bson import ObjectId
  from fiftyone.core.document import Document, DocumentView
  import fiftyone.core.frame
  import fiftyone.core.frame_utils
  import fiftyone.core.labels
  import fiftyone.core.metadata
  import fiftyone.core.media
  import fiftyone.core.odm
  import fiftyone.core.utils
  from fiftyone.core.singletons import SampleSingleton
label_desc: Use image node_id 12 for calling the _SampleMixin obj's underlying member method code with example usage: obj.clear_field(field_name) without return types