old_contents: from cnrclient.pack import CnrPackage
  from cnrclient.commands.command_base import CommandBase
  
  
  class InspectCmd(CommandBase):
      name = 'inspect'
      help_message = "Browse package files"
  
      def __init__(self, options):
          super(InspectCmd, self).__init__(options)
          self.package = options.package
          self.registry_host = options.registry_host
          self.version = options.version
          self.file = options.file
          self.tree = options.tree
          self.media_type = options.media_type
          self.result = None
          self.format = options.media_type
  
      @classmethod
      def _add_arguments(cls, parser):
          cls._add_registryhost_option(parser)
          cls._add_mediatype_option(parser)
          cls._add_packagename_option(parser)
          cls._add_packageversion_option(parser)
          parser.add_argument('--tree', help="List files inside the package", action='store_true', default=False)
          parser.add_argument('-f', '--file', help="Display a file", default=None)
  
      def _call(self):
          client = self.RegistryClient(self.registry_host)
          result = client.pull(self.package, version=self.version, media_type=self.media_type)
          package = CnrPackage(result, b64_encoded=False)
          if self.tree:
              self.result = "\n".join(package.tree())
          elif self.file:
              self.result = package.file(self.file)
          else:
              self.result = package.manifest
  
      def _render_dict(self):
          return {"inspect": self.package,
                  "output": self.result}
  
      def _render_console(self):
          return self.result
  
new_contents: from cnrclient.pack import CnrPackage
  from cnrclient.commands.command_base import CommandBase
  
  
  class InspectCmd(CommandBase):
      name = 'inspect'
      help_message = "Browse package files"
  
      def __init__(self, options):
          super(InspectCmd, self).__init__(options)
          self.package = options.package
          self.registry_host = options.registry_host
          self.version = options.version
          self.version_parts = options.version_parts
          self.file = options.file
          self.tree = options.tree
          self.media_type = options.media_type
          self.result = None
          self.format = options.media_type
  
      @classmethod
      def _add_arguments(cls, parser):
          cls._add_registryhost_option(parser)
          cls._add_mediatype_option(parser)
          cls._add_packagename_option(parser)
          cls._add_packageversion_option(parser)
          parser.add_argument('--tree', help="List files inside the package", action='store_true', default=True)
          parser.add_argument('-f', '--file', help="Display a file", default=None)
  
      def _call(self):
          client = self.RegistryClient(self.registry_host)
          result = client.pull(self.package, version_parts=self.version_parts, media_type=self.media_type)
          package = CnrPackage(result, b64_encoded=False)
          if self.file:
              self.result = package.file(self.file)
          elif self.tree:
              self.result = "\n".join(package.tree())
          else:
              self.result = package.manifest
  
      def _render_dict(self):
          return {"inspect": self.package,
                  "output": self.result}
  
      def _render_console(self):
          return self.result
  
subject: Fix inspect command