old_contents: from thefuck.specific.apt import apt_available
  from thefuck.utils import memoize, which
  from thefuck.shells import shell
  from pprint import pprint
  
  try:
      from CommandNotFound import CommandNotFound
  
      command_not_found = CommandNotFound()
      enabled_by_default = apt_available
  except ImportError:
      enabled_by_default = False
  
  
  def _get_executable(command):
      if command.script_parts[0] == 'sudo':
          return command.script_parts[1]
      else:
          return command.script_parts[0]
  
  
  @memoize
  def get_package(executable):
      try:
          packages = command_not_found.getPackages(executable)
          return packages[0][0]
      except IndexError:
          # IndexError is thrown when no matching package is found
          return None
  
  
  def match(command):
      if 'not found' in command.stderr or 'not installed' in command.stderr:
          executable = _get_executable(command)
          return not which(executable) and get_package(executable)
      else:
          return False
  
  
  def get_new_command(command):
      executable = _get_executable(command)
      name = get_package(executable)
      formatme = shell.and_('sudo apt-get install {}', '{}')
      return formatme.format(name, command.script)
  
new_contents: from thefuck.specific.apt import apt_available
  from thefuck.utils import memoize, which
  from thefuck.shells import shell
  
  try:
      from CommandNotFound import CommandNotFound
  
      command_not_found = CommandNotFound()
      enabled_by_default = apt_available
  except ImportError:
      enabled_by_default = False
  
  
  def _get_executable(command):
      if command.script_parts[0] == 'sudo':
          return command.script_parts[1]
      else:
          return command.script_parts[0]
  
  
  @memoize
  def get_package(executable):
      try:
          packages = command_not_found.getPackages(executable)
          return packages[0][0]
      except IndexError:
          # IndexError is thrown when no matching package is found
          return None
  
  
  def match(command):
      if 'not found' in command.stderr or 'not installed' in command.stderr:
          executable = _get_executable(command)
          return not which(executable) and get_package(executable)
      else:
          return False
  
  
  def get_new_command(command):
      executable = _get_executable(command)
      name = get_package(executable)
      formatme = shell.and_('sudo apt-get install {}', '{}')
      return formatme.format(name, command.script)
  
subject: Remove unused import