code: def _six_fail_hook(modname):
      
  
      attribute_of = modname != "six.moves" and modname.startswith("six.moves")
      if modname != "six.moves" and not attribute_of:
          raise AstroidBuildingError(modname=modname)
      module = AstroidBuilder(MANAGER).string_build(_IMPORTS)
      module.name = "six.moves"
      if attribute_of:
          # Facilitate import of submodules in Moves
          start_index = len(module.name)
          attribute = modname[start_index:].lstrip(".").replace(".", "_")
          try:
              import_attr = module.getattr(attribute)[0]
          except AttributeInferenceError:
              raise AstroidBuildingError(modname=modname)
          if isinstance(import_attr, nodes.Import):
              submodule = MANAGER.ast_from_module_name(import_attr.names[0][0])
              return submodule
      # Let dummy submodule imports pass through
      # This will cause an Uninferable result, which is okay
      return module
docs: Fix six.moves imports due to the dynamic nature of this
      class.
  
      Construct a pseudo-module which contains all the necessary imports
      for six
  
      :param modname: Name of failed module
      :type modname: str
  
      :return: An astroid module
      :rtype: nodes.Module