code: def dfs_index(request, dfs):
      df1, df2 = dfs
      if request.param == "int-index":
          df1.index = [1, 2]
          df2.index = [0, 2]
      if request.param == "string-index":
          df1.index = ["row1", "row2"]
      return df1, df2
  
imports: import os
  import numpy
  import pandas
  from shapely import make_valid
  from shapely.geometry import Point, Polygon, LineString, GeometryCollection, box
  import geopandas
  from geopandas import GeoDataFrame, GeoSeries, overlay, read_file
  from geopandas._compat import PANDAS_GE_20
  from geopandas.testing import assert_geodataframe_equal, assert_geoseries_equal
  import pytest
label_desc: Use image node_id 2 for calling a global function with example usage: dfs_index(request, dfs) and returns: df1,  df2