code: def random_raw(self):
      if len(self.buffer) == 0:
          self.buffer = list(super().random_raw())[::-1]
      return int(self.buffer.pop())
  
imports: import numpy
  import pytest
  import scipy.stats
  import torch
  import triton
  import triton.language
label_desc: Use image node_id 2 for calling the CustomPhilox obj's underlying member method code with example usage: obj.random_raw() and returns: int