old_contents: # coding: utf-8
  # Licensed under the Apache License, Version 2.0 (the "License");
  # you may not use this file except in compliance with the License.
  # You may obtain a copy of the License at
  #
  #     http://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing, software
  # distributed under the License is distributed on an "AS IS" BASIS,
  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  # See the License for the specific language governing permissions and
  # limitations under the License.
  
  from __future__ import unicode_literals
  
  import warnings
  
  from testinfra.host import get_host
  from testinfra.host import get_hosts
  
  
  def get_backend(hostspec, **kwargs):
      warnings.warn("get_backend() is deprecated, use get_host() instead",
                    DeprecationWarning, stacklevel=2)
      return get_host(hostspec, **kwargs).backend
  
  
  def get_backends(hosts, **kwargs):
      warnings.warn("get_backends() is deprecated, use get_hosts() instead",
                    DeprecationWarning, stacklevel=2)
      return [host.backend for host in get_hosts(hosts, **kwargs)]
  
new_contents: # coding: utf-8
  # Licensed under the Apache License, Version 2.0 (the "License");
  # you may not use this file except in compliance with the License.
  # You may obtain a copy of the License at
  #
  #     http://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing, software
  # distributed under the License is distributed on an "AS IS" BASIS,
  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  # See the License for the specific language governing permissions and
  # limitations under the License.
  
  from __future__ import unicode_literals
  
  from testinfra.host import get_host
  from testinfra.host import get_hosts
  
  __all__ = ['get_host', 'get_hosts']
  
subject: drop deprecated testinfra.get_backend(s)