class_docstr: : A matplotlib converter class.  Provides matplotlib conversion
  functionality for Monte Epoch and Duration classes.
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docstr: : Convert an Epoch value to a float suitible for plotting as a
       python datetime object.
  
  = INPUT VARIABLES
  - value   An Epoch or list of Epochs that need to be converted.
  - unit    The units to use for an axis with Epoch data.
  
  = RETURN VALUE
  - Returns the value parameter converted to floats.
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code: def epoch2float(value, unit):
      """: Convert an Epoch value to a float suitible for plotting as a
           python datetime object.
  
      = INPUT VARIABLES
      - value   An Epoch or list of Epochs that need to be converted.
      - unit    The units to use for an axis with Epoch data.
  
      = RETURN VALUE
      - Returns the value parameter converted to floats.
      """
      return value.julianDate(unit) - EpochConverter.jdRef
  
file_path: catboost/contrib/python/matplotlib/py2/matplotlib/testing/jpl_units/EpochConverter.py
imports: from __future__ import absolute_import, division, print_function, unicode_literals
  import six
  import matplotlib.units
  import matplotlib.dates
  from matplotlib.cbook import iterable
label_desc: Use image node_id 3 for calling the EpochConverter obj's underlying member method code with example usage: obj.epoch2float(value, unit) and returns: unknown