code: def test_linearring_empty(self):
      # Test Non-operability of Null rings
      r_null = LinearRing()
      assert r_null.wkt == "LINEARRING EMPTY"
      assert r_null.length == 0.0
  
imports: import numpy
  import pytest
  from shapely import LinearRing, LineString, Point, Polygon
  from shapely.coords import CoordinateSequence
  from shapely.errors import TopologicalError
  from shapely.wkb import loads
label_desc: Use image node_id 3 for calling the TestPolygon obj's underlying member method code with example usage: obj.test_linearring_empty() without return types