code: def __is_cuda_visible_devices_correct(self):
      return self.__cuda_visible_devices is not None and re.match(
          self.__cuda_visible_devices_regex, self.__cuda_visible_devices
      )
  
imports: import re
label_desc: Use image node_id 3 for calling the GPUCardIndicesProvider obj's underlying member method code with example usage: obj.__is_cuda_visible_devices_correct() and returns: unknown