code: def test_shape_empty():
      empty_mp = MultiPolygon()
      empty_json = mapping(empty_mp)
      empty_shape = shape(empty_json)
      assert empty_shape.is_empty
  
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 3 for calling a global function with example usage: test_shape_empty() without return types