old_contents: """Diffviewer features."""
  
  from __future__ import unicode_literals
  
  from django.utils.translation import ugettext_lazy as _
  from djblets.features import Feature, FeatureLevel
  
  
  class DVCSFeature(Feature):
      """A feature for DVCS support.
  
      With this enabled, the DVCS API is enabled and review requests can be
      created with multiple commits.
      """
  
      feature_id = 'diffviewer.dvcs'
      name = _('DVCS Support')
      level = FeatureLevel.EXPERIMENTAL
      summary = _('Support for reviewing multiple commits.')
  
  
  dvcs_feature = DVCSFeature()
  
new_contents: """Diffviewer features."""
  
  from __future__ import unicode_literals
  
  from django.utils.translation import ugettext_lazy as _
  from djblets.features import Feature, FeatureLevel
  
  
  class DVCSFeature(Feature):
      """A feature for DVCS support.
  
      With this enabled, the DVCS API is enabled and review requests can be
      created with multiple commits.
      """
  
      feature_id = 'diffviewer.dvcs'
      name = _('DVCS Support')
      level = FeatureLevel.STABLE
      summary = _('Support for reviewing multiple commits.')
  
  
  dvcs_feature = DVCSFeature()
  
subject: Enable DVCS by default.