old_contents: '''
  Redrock redshift fitter
  '''
  from __future__ import absolute_import, division, print_function
  
  __version__ = '0.5.0'
  
  from .dataobj import (Target, MultiprocessingSharedSpectrum, 
  	SimpleSpectrum, MPISharedTargets, Template)
  from . import rebin
  from . import zscan
  from . import fitz
  from . import zwarning
  from . import io
  from .zfind import zfind
  from .plotspec import PlotSpec
  
new_contents: '''
  Redrock redshift fitter
  '''
  from __future__ import absolute_import, division, print_function
  
  __version__ = '0.5.0dev1'
  
  from .dataobj import (Target, MultiprocessingSharedSpectrum, 
  	SimpleSpectrum, MPISharedTargets, Template)
  from . import rebin
  from . import zscan
  from . import fitz
  from . import zwarning
  from . import io
  from .zfind import zfind
  from .plotspec import PlotSpec
  
subject: update dev version after 0.5.0 tag [skip ci]