code: def __setitem__(self, field_name, value):
      if self.media_type == fomm.VIDEO and fofu.is_frame_number(
          field_name
      ):
          self.frames[field_name] = value
          return
  
      self._secure_media(field_name, value)
      super().__setitem__(field_name, value)
  
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 4 for calling the _SampleMixin obj's underlying member method code with example usage: obj.__setitem__(field_name, value) without return types