class_docstr: An Axis class for the 3D plots.
code: def init3d(
      self,
  ):  # After deprecation elapses, inline _init3d to __init__.
      self._init3d()
  
imports: import inspect
  import numpy
  import matplotlib
  from matplotlib import _api, artist, lines, axis, patches, transforms, colors
  from .None import art3d, proj3d
label_desc: Use image node_id 5 for calling the Axis obj's underlying member method code with example usage: obj.init3d() without return types