old_contents: # pylint: disable=unused-import
  from . import admin
  from . import channel
  from . import general
  from . import Hash
  # pylint: enable=unused-import
  
new_contents: # pylint: disable=unused-import
  from . import admin
  from . import channel
  from . import general
  from . import Hash
  from . import weather
  # pylint: enable=unused-import
  
subject: Add weather plugin to the plugin __init__.py