docstr: Limit hover tool to annular wedges only.
code: def _postprocess_hover(self, renderer, source):
      """
      Limit hover tool to annular wedges only.
      """
  
      if isinstance(renderer.glyph, AnnularWedge):
          super()._postprocess_hover(renderer, source)
  
imports: import numpy
  import param
  from bokeh.models.glyphs import AnnularWedge
  from ...core.data import GridInterface
  from ...core.spaces import HoloMap
  from ...core.util import dimension_sanitizer, is_nan
  from .element import ColorbarPlot, CompositeElementPlot
  from .selection import BokehOverlaySelectionDisplay
  from .styles import base_properties, fill_properties, line_properties, text_properties
label_desc: Use image node_id 4 for calling the RadialHeatMapPlot obj's underlying member method code with example usage: obj._postprocess_hover(renderer, source) without return types