class_docstr: Debug renderer implemented using Matplotlib.
  
  Extends ``MplRenderer`` to add extra information to help in debugging such as markers, arrows,
  text, etc.
code: def __init__(
      self,
      nrows: int = 1,
      ncols: int = 1,
      figsize: tuple[float, float] = (9, 9),
      show_frame: bool = True,
  ) -> None:
      super().__init__(nrows, ncols, figsize, show_frame)
  
imports: from __future__ import annotations
  from collections.abc import Sequence
  import io
  from typing import TYPE_CHECKING, Any, cast
  import matplotlib.collections
  import matplotlib.pyplot
  import numpy
  from contourpy import FillType, LineType
  from contourpy.convert import convert_filled, convert_lines
  from contourpy.enum_util import as_fill_type, as_line_type
  from contourpy.util.mpl_util import filled_to_mpl_paths, lines_to_mpl_paths
  from contourpy.util.renderer import Renderer
label_desc: Use image node_id 1 to create a new MplDebugRenderer object from inherited base classes: MplRenderer with example: obj = MplDebugRenderer(nrows, ncols, figsize, show_frame)