code: def test_object_iter():
      """object iter is correct"""
      obj = Object(g=1)
      assert [obj[k] for k in obj] == [1]
  
imports: import pytest
  from fiona.errors import FionaDeprecationWarning
  from fiona.model import _Geometry, Feature, Geometry, Object, ObjectEncoder, Properties, decode_object
label_desc: Use image node_id 2 for calling a global function with example usage: test_object_iter() without return types