code: def draw(self):
      # docstring inherited
      self.renderer = self.get_renderer()
      self.renderer.clear()
      # Acquire a lock on the shared font cache.
      with (
          self.toolbar._wait_cursor_for_draw_cm()
          if self.toolbar
          else nullcontext()
      ):
          self.figure.draw(self.renderer)
          # A GUI class may be need to update a window using this draw, so
          # don't forget to call the superclass.
          super().draw()
  
imports: from contextlib import nullcontext
  from math import radians, cos, sin
  import numpy
  import matplotlib
  from matplotlib import _api, cbook
  from matplotlib.backend_bases import _Backend, FigureCanvasBase, FigureManagerBase, RendererBase
  from matplotlib.font_manager import fontManager, get_font
  from matplotlib.ft2font import LOAD_FORCE_AUTOHINT, LOAD_NO_HINTING, LOAD_DEFAULT, LOAD_NO_AUTOHINT
  from matplotlib.mathtext import MathTextParser
  from matplotlib.path import Path
  from matplotlib.transforms import Bbox, BboxBase
  from matplotlib.backends._backend_agg import RendererAgg
label_desc: Use image node_id 3 for calling the FigureCanvasAgg obj's underlying member method code with example usage: obj.draw() without return types