code: def test_apply_loc_len1(df):
      # subset of len 1 with loc -> bug in pandas with inconsistent Block ndim
      # resulting in bug in apply
      # https://github.com/geopandas/geopandas/issues/1078
      subset = df.loc[[0], "geometry"]
      result = subset.apply(lambda geom: geom.is_empty)
      expected = subset.is_empty
      np.testing.assert_allclose(result, expected)
  
imports: import os
  from packaging.version import Version
  import warnings
  import numpy
  from numpy.testing import assert_array_equal
  import pandas
  import shapely
  from shapely.geometry import Point, GeometryCollection, LineString, LinearRing
  import geopandas
  from geopandas import GeoDataFrame, GeoSeries
  import geopandas._compat
  from geopandas.array import from_shapely
  from geopandas.testing import assert_geodataframe_equal, assert_geoseries_equal
  from pandas.testing import assert_frame_equal, assert_series_equal
  import pytest
label_desc: Use image node_id 39 for calling a global function with example usage: test_apply_loc_len1(df) without return types