code: def geom_dtypes(self):
      from geopandas.array import GeometryDtype
  
      return (GeometryDtype,)
  
file_path: datashader/datashader/glyphs/polygon.py
imports: from toolz import memoize
  import numpy
  from datashader.glyphs.line import _build_map_onto_pixel_for_line
  from datashader.glyphs.points import _GeometryLike
  from datashader.utils import ngjit
label_desc: Use image node_id 1 for calling the GeopandasPolygonGeom obj's underlying member method code with example usage: obj.geom_dtypes() and returns: GeometryDtype