hunk.code_window:     """Obtain a certificate and install."""
       try:
           installer, authenticator = choose_configurator_plugins(args, config, plugins, "run")
       except errors.PluginSelectionError, e:
           return e.message
       domains = _find_domains(config, installer)
  
hunk.labels: keep keep keep replace keep keep keep keep
hunk.after_edit:     except errors.PluginSelectionError as e:
  
hunk.file_path: letsencrypt/cli.py
hunk.type: replace
file: """ACME protocol implementation.
  
  This module is an implementation of the `ACME protocol`_. Latest
  supported version: `draft-ietf-acme-01`_.
  
  
  .. _`ACME protocol`: https://ietf-wg-acme.github.io/acme
  
  .. _`draft-ietf-acme-01`:
    https://github.com/ietf-wg-acme/acme/tree/draft-ietf-acme-acme-01
  
  """
  