code: def test_pivot(df):
      # https://github.com/geopandas/geopandas/issues/2057
      # pivot failing due to creating a MultiIndex
      result = df.pivot(columns="value1")
      expected = GeoDataFrame(pd.DataFrame(df).pivot(columns="value1"))
      assert_geodataframe_equal(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 45 for calling a global function with example usage: test_pivot(df) without return types