old_contents: """
  Non-init module for doing convenient * imports from.
  
  Necessary because if we did this in __init__, one would be unable to import
  anything else inside the package -- like, say, the version number used in
  setup.py -- without triggering loads of most of the code. Which doesn't work so
  well when you're using setup.py to install e.g. ssh!
  """
  from fabric.context_managers import (cd, hide, settings, show, path, prefix,
      lcd, quiet)
  from fabric.decorators import (hosts, roles, runs_once, with_settings, task, 
          serial, parallel)
  from fabric.operations import (require, prompt, put, get, run, sudo, local,
      reboot, open_shell)
  from fabric.state import env, output
  from fabric.utils import abort, warn, puts, fastprint
  from fabric.tasks import execute
  
new_contents: """
  Non-init module for doing convenient * imports from.
  
  Necessary because if we did this in __init__, one would be unable to import
  anything else inside the package -- like, say, the version number used in
  setup.py -- without triggering loads of most of the code. Which doesn't work so
  well when you're using setup.py to install e.g. ssh!
  """
  from fabric.context_managers import (cd, hide, settings, show, path, prefix,
      lcd, quiet, warn_only)
  from fabric.decorators import (hosts, roles, runs_once, with_settings, task, 
          serial, parallel)
  from fabric.operations import (require, prompt, put, get, run, sudo, local,
      reboot, open_shell)
  from fabric.state import env, output
  from fabric.utils import abort, warn, puts, fastprint
  from fabric.tasks import execute
  
subject: Add warn_only to fabric.api