docs: def get_class_by_path(class_path: str, is_module: Optional[bool] = False) -> type:
      """
      Get class by its name within a package structure.
  
      :param class_path: E.g. brandt.some.module.ClassName
      :param is_module: Whether last item is module rather than class name
      :return: Class ready to be instantiated.
      """
  
      if is_module:
          try:
              backend_module = importlib.import_module(class_path)
          except ImportError:
              logger.warning("Can't import backend with name `%s`", class_path)
              raise
          else:
              return backend_module
  
      module_name, class_name = class_path.rsplit('.', 1)
  
      try:
          backend_module = importlib.import_module(module_name)
      except ImportError:
          logger.error("Can't import backend with name `%s`", module_name)
          raise
  
      try:
          backend_class = getattr(backend_module, class_name)
      except AttributeError:
          logger.error("Can't get backend class `%s` from `%s`", class_name, module_name)
          raise
  
      return backend_class