docs: def get_inst_type(xml_node: XmlNode):
      '''Returns type by xml node'''
      (module_path, class_name) = (xml_node.namespace, xml_node.name)
      try:
          return import_module(module_path).__dict__[class_name]
      except (KeyError, ImportError, ModuleNotFoundError):
          message = 'Import "{0}.{1}" is failed.'.format(module_path, class_name)
          raise RenderingError(message, xml_node.view_info)