code: def _init_axis(self):
      # Taken from Axes and modified to use our modified X-axis
      self.xaxis = SkewXAxis(self)
      self.spines.top.register_axis(self.xaxis)
      self.spines.bottom.register_axis(self.xaxis)
      self.yaxis = maxis.YAxis(self)
      self.spines.left.register_axis(self.yaxis)
      self.spines.right.register_axis(self.yaxis)
  
imports: from contextlib import ExitStack
  import itertools
  import matplotlib.pyplot
  from matplotlib.testing.decorators import image_comparison
  from matplotlib.axes import Axes
  import matplotlib.transforms
  import matplotlib.axis
  import matplotlib.spines
  import matplotlib.patches
  from matplotlib.projections import register_projection
label_desc: Use image node_id 1 for calling the SkewXAxes obj's underlying member method code with example usage: obj._init_axis() without return types