old_contents: #!/usr/bin/env python2
  # -*- coding: utf-8 -*-
  
  
  # version to be used in setup and docs
  __version__ = '0.1.0b1'
  
  
  # API level classes
  from tunacell.base.experiment import Experiment
  from tunacell.base.observable import Observable
  from tunacell.filters.main import FilterSet
  from tunacell.base.parser import Parser
  
new_contents: #!/usr/bin/env python2
  # -*- coding: utf-8 -*-
  
  
  # version to be used in setup and docs
  __version__ = '0.2.0dev0'
  
  
  # API level classes
  from tunacell.base.experiment import Experiment
  from tunacell.base.observable import Observable
  from tunacell.filters.main import FilterSet
  from tunacell.base.parser import Parser
  
subject: Update version number