old_contents: #pylint: disable=missing-docstring
  
  import os
  
  from mooseutils.yaml_load import yaml_load
  
  import MooseDocs
  from MooseDocs.common import exceptions
  from MooseDocs.extensions import command
  from MooseDocs.tree import tokens
  
  def make_extension(**kwargs):
      return PackageExtension(**kwargs)
  
  class PackageExtension(command.CommandExtension):
      """
      Adds ability to link to MOOSE enviornment packages.
      """
  
      @staticmethod
      def defaultConfig():
          packages = yaml_load(os.path.join(MooseDocs.MOOSE_DIR, 'framework', 'doc',
                                                       'packages.yml'))
  
          config = command.CommandExtension.defaultConfig()
          config['packages'] = (packages, "A dict of packages by name.")
          config['link'] = (r'http://www.mooseframework.org/moose_packages',
                            "Location of packages.")
          return config
  
      def extend(self, reader, renderer):
          self.requires(command)
          self.addCommand(PackageCommand())
  
  class PackageCommand(command.CommandComponent):
      COMMAND = 'package'
      SUBCOMMAND = 'name'
  
      @staticmethod
      def defaultSettings():
          settings = command.CommandComponent.defaultSettings()
          settings['arch'] = (None, "The name of the OS package name to retrieve.")
          return settings
  
      def createToken(self, info, parent):
          arch = self.settings['arch']
          packages = self.extension.get('packages')
  
          if arch not in packages:
              msg = "The supplied value for the 'arch' settings, {}, was not found."
              raise exceptions.TokenizeException(msg, arch)
  
          href = os.path.join(self.extension.get('link'), packages[arch])
          tokens.Link(parent, url=unicode(href), string=unicode(packages[arch]))
          return parent
  
new_contents: #pylint: disable=missing-docstring
  
  import os
  
  from mooseutils.yaml_load import yaml_load
  
  import MooseDocs
  from MooseDocs.common import exceptions
  from MooseDocs.extensions import command
  from MooseDocs.tree import tokens
  
  def make_extension(**kwargs):
      return PackageExtension(**kwargs)
  
  class PackageExtension(command.CommandExtension):
      """
      Adds ability to link to MOOSE enviornment packages.
      """
  
      @staticmethod
      def defaultConfig():
          packages = yaml_load(os.path.join(MooseDocs.MOOSE_DIR, 'framework', 'doc', 'packages.yml'))
  
          config = command.CommandExtension.defaultConfig()
          config['packages'] = (packages, "A dict of packages by name.")
          config['link'] = (r'http://www.mooseframework.org/moose_packages',
                            "Location of packages.")
          return config
  
      def extend(self, reader, renderer):
          self.requires(command)
          self.addCommand(PackageCommand())
  
  class PackageCommand(command.CommandComponent):
      COMMAND = 'package'
      SUBCOMMAND = 'name'
  
      @staticmethod
      def defaultSettings():
          settings = command.CommandComponent.defaultSettings()
          settings['arch'] = (None, "The name of the OS package name to retrieve.")
          return settings
  
      def createToken(self, info, parent):
          arch = self.settings['arch']
          packages = self.extension.get('packages')
  
          if arch not in packages:
              msg = "The supplied value for the 'arch' settings, {}, was not found."
              raise exceptions.TokenizeException(msg, arch)
  
          href = os.path.join(self.extension.get('link'), packages[arch])
          tokens.Link(parent, url=unicode(href), string=unicode(packages[arch]))
          return parent
  
subject: Fix pylint error