docstr: This subclass always returns the same bounding box.
  
  Parameters
  ----------
  extremes : (float, float, float, float)
      The bounding box that this helper always returns.
docstr_tok: ["This","subclass","always","returns","the","same","bounding","box",".","Parameters","--","--","--","--","--","extremes",":","(","float",",","float",",","float",",","float",")","The","bounding","box","that","this","helper","always","returns","."]
code: def __init__(self, extremes):
      """
      This subclass always returns the same bounding box.
  
      Parameters
      ----------
      extremes : (float, float, float, float)
          The bounding box that this helper always returns.
      """
      self._extremes = extremes
  
imports: import functools
  import numpy
  import matplotlib
  from matplotlib import _api, cbook
  import matplotlib.patches
  from matplotlib.path import Path
  from mpl_toolkits.axes_grid1.parasite_axes import host_axes_class_factory
  from .None import axislines, grid_helper_curvelinear
  from .axis_artist import AxisArtist
  from .grid_finder import ExtremeFinderSimple
label_desc: Use image node_id 1 to create a new ExtremeFinderFixed object from inherited base classes: ExtremeFinderSimple with example: obj = ExtremeFinderFixed(extremes)