code: def test_frechet_distance_nan_for_invalid_geometry_inputs(
      geom1, geom2
  ):
      actual = shapely.frechet_distance(geom1, geom2)
      assert np.isnan(actual)
  
imports: import numpy
  import pytest
  from numpy.testing import assert_allclose, assert_array_equal
  import shapely
  from shapely import GeometryCollection, LineString, MultiPoint, Point, Polygon
  from shapely.tests.common import empty, geometry_collection, ignore_invalid, line_string, linear_ring, multi_line_string, multi_point, multi_polygon, point, point_polygon_testdata, polygon, polygon_with_hole
label_desc: Use image node_id 21 for calling a global function with example usage: test_frechet_distance_nan_for_invalid_geometry_inputs(geom1, geom2) without return types