code: def add_stream(self, stream_name, stream_dict):
      self.base_labels["openlabel"]["streams"][
          stream_name
      ] = stream_dict
  
imports: from collections import defaultdict
  import os
  import eta.core.serial
  import fiftyone.core.odm.dataset
label_desc: Use image node_id 5 for calling the OpenLABELLabels obj's underlying member method code with example usage: obj.add_stream(stream_name, stream_dict) without return types