class_docstr: The formatter for UnitDbl data types.  This allows for formatting
  with the unit string.
docstr: Return the format for tick val x at position pos
code: def __call__(self, x, pos=None):
      "Return the format for tick val x at position pos"
      if len(self.locs) == 0:
          return ""
      else:
          return "{:.12}".format(x)
  
file_path: catboost/contrib/python/matplotlib/py2/matplotlib/testing/jpl_units/UnitDblFormatter.py
imports: from __future__ import absolute_import, division, print_function, unicode_literals
  import six
  import matplotlib.ticker
label_desc: Use image node_id 2 for calling the UnitDblFormatter obj's underlying member method code with example usage: obj.__call__(x, pos) and returns: str, str