old_contents: # -*- coding: utf-8 -*-
  __version__ = '0.3.4'
  __all__ = ['ApplicationMaster', 'HistoryServer', 'NodeManager', 'ResourceManager']
  
  from .application_master import ApplicationMaster
  from .history_server import HistoryServer
  from .node_manager import NodeManager
  from .resource_manager import ResourceManager
  
new_contents: # -*- coding: utf-8 -*-
  __version__ = '0.3.5.dev'
  __all__ = ['ApplicationMaster', 'HistoryServer', 'NodeManager', 'ResourceManager']
  
  from .application_master import ApplicationMaster
  from .history_server import HistoryServer
  from .node_manager import NodeManager
  from .resource_manager import ResourceManager
  
subject: Prepare for next development iteration