code: def __call__(self, v1, v2):
      if self._factor is None:
          v1, v2 = sorted([v1, v2])
      else:
          v1, v2 = sorted([v1 * self._factor, v2 * self._factor])
      locs = np.array(
          [l for l in self._locs if ((v1 <= l) and (l <= v2))]
      )
      return locs, len(locs), self._factor
  
imports: from __future__ import absolute_import, division, print_function, unicode_literals
  import six
  import numpy
  from matplotlib.transforms import Bbox
  from .None import clip_path
  import matplotlib.ticker
  from matplotlib.transforms import Transform
label_desc: Use image node_id 2 for calling the FixedLocator obj's underlying member method code with example usage: obj.__call__(v1, v2) and returns: locs,  len,  self