code: def __call__(self, start_opts, **kwargs):
      try:
          if not self.strategy:
              return start_opts
          return_opts = copy(start_opts)
          for opt in start_opts:
              if opt in self.strategy:
                  return_opts[opt] = self.strategies[
                      self.strategy[opt]
                  ](start_opts, opt, **kwargs)
      except KeyError:
          message = (
              "Unrecognized strategy: {}. Choose one among: "
              + str([strat for strat in self.strategies.keys()])
          )
          self.rep.logger.exception(message.format(self.strategy))
          raise
      else:
          return return_opts
  
imports: import inspect
  import logging
  import numpy
  import math
  from copy import copy
  from ..utils.reporter import Reporter
label_desc: Use image node_id 2 for calling the OptionsHandler obj's underlying member method code with example usage: obj.__call__(start_opts) and returns: return_opts, start_opts