code: def test_pytorch_histogram(self):
      with SummaryWriter() as w:
          w.add_histogram("float histogram", torch.rand((50,)))
          w.add_histogram("int histogram", torch.randint(0, 100, (50,)))
  
file_path: tensorboardX/tests/test_pytorch_np.py
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  from __future__ import unicode_literals
  from tensorboardX import x2num, SummaryWriter
  import torch
  import numpy
  import unittest
label_desc: Use image node_id 3 for calling the PyTorchNumpyTest obj's underlying member method code with example usage: obj.test_pytorch_histogram() without return types