old_contents: from .base import (
      activity_base,
      assign_actor,
      ImproperlyConfigured,
      VersioningManager,
      versioning_manager,
  )
  
  
  __version__ = '0.4.0'
  
new_contents: from .base import (
      activity_base,
      assign_actor,
      ImproperlyConfigured,
      VersioningManager,
      versioning_manager,
  )
  
  
  __version__ = '0.4.1'
  
subject: Bump version