old_contents: from .core import CvBridge, CvBridgeError
  
  # python bindings
  from cv_bridge.boost.cv_bridge_boost import cvtColorForDisplay
  
new_contents: from .core import CvBridge, CvBridgeError
  
  # python bindings
  try:
      # This try is just to satisfy doc jobs that are built differently.
      from cv_bridge.boost.cv_bridge_boost import cvtColorForDisplay
  except ImportError:
      pass
  
subject: fix doc jobs