code: def test_empty_geometry_bounds(geom):
      """The bounds of an empty geometry is a tuple of NaNs"""
      assert len(geom.bounds) == 4
      assert all(math.isnan(v) for v in geom.bounds)
  
imports: import math
  import numpy
  import pytest
  from shapely import GeometryCollection, LinearRing, LineString, MultiLineString, MultiPoint, MultiPolygon, Point, Polygon
  from shapely.geometry import mapping, shape
  from shapely.geometry.base import BaseGeometry, EmptyGeometry
label_desc: Use image node_id 4 for calling a global function with example usage: test_empty_geometry_bounds(geom) without return types