old_contents: # This Source Code Form is subject to the terms of the Mozilla Public
  # License, v. 2.0. If a copy of the MPL was not distributed with this
  # file, You can obtain one at http://mozilla.org/MPL/2.0/.
  
  # this will be expanded in the future when additional command line libraries
  # are supported
  
  # at which point we want to make argparse the default, we will eliminate
  # this line
  
  import getopt as command_line
  
  try:
      # keep this commented out until we want argparse as the default
      # import argparse as command_line
      from configmanners.def_sources.for_argparse import ArgumentParser
  except ImportError:
      # argparse is not available, we can silently ignore this problem
      pass
  
new_contents: # This Source Code Form is subject to the terms of the Mozilla Public
  # License, v. 2.0. If a copy of the MPL was not distributed with this
  # file, You can obtain one at http://mozilla.org/MPL/2.0/.
  
  # this will be expanded in the future when additional command line libraries
  # are supported
  
  # at which point we want to make argparse the default, we will eliminate
  # this line
  
  # import getopt as command_line
  
  try:
      # keep this commented out until we want argparse as the default
      import argparse as command_line
      from configmanners.def_sources.for_argparse import ArgumentParser
  except ImportError:
      # argparse is not available, we can silently ignore this problem
      pass
  
subject: switch to using argparse as the default commandline utility