docstr: return the Interval instance for this axis data limits
docstr_tok: ["return","the","Interval","instance","for","this","axis","data","limits"]
code: def get_data_interval(self):
      "return the Interval instance for this axis data limits"
      return self.axes.zz_dataLim.intervalx
  
imports: from __future__ import absolute_import, division, print_function, unicode_literals
  import six
  import math
  import copy
  from matplotlib import lines, axis, patches
  from matplotlib import rcParams
  from .None import art3d
  from .None import proj3d
  import numpy
label_desc: Use image node_id 1 for calling the ZAxis obj's underlying member method code with example usage: obj.get_data_interval() and returns: self