code: def get_children(self):
      if self._axisline_on:
          children = [*self._axislines.values(), self.gridlines]
      else:
          children = []
      children.extend(super().get_children())
      return children
  
imports: import numpy
  import matplotlib
  from matplotlib import _api
  import matplotlib.axes
  from matplotlib.path import Path
  from mpl_toolkits.axes_grid1 import mpl_axes
  from .axisline_style import AxislineStyle
  from .axis_artist import AxisArtist, GridlinesCollection
label_desc: Use image node_id 8 for calling the Axes obj's underlying member method code with example usage: obj.get_children() and returns: children