old_contents: import platform
  import sys
  
  import numpy
  import six
  
  import chainer
  from chainer.backends import cuda
  from chainer.backends import intel64
  import chainerx
  
  
  class _RuntimeInfo(object):
  
      chainer_version = None
      numpy_version = None
      cuda_info = None
      ideep_version = None
  
      def __init__(self):
          self.chainer_version = chainer.__version__
          self.chainerx_available = chainerx.is_available()
          self.numpy_version = numpy.__version__
          self.platform_version = platform.platform()
          if cuda.available:
              self.cuda_info = cuda.cupyx.get_runtime_info()
          else:
              self.cuda_info = None
          if intel64.is_ideep_available():
              self.ideep_version = intel64.ideep.__version__
          else:
              self.ideep_version = None
  
      def __str__(self):
          s = six.StringIO()
          s.write('''Platform: {}\n'''.format(self.platform_version))
          s.write('''Chainer: {}\n'''.format(self.chainer_version))
          s.write('''ChainerX: {}\n'''.format(
              'Available' if self.chainerx_available else 'Not Available'))
          s.write('''NumPy: {}\n'''.format(self.numpy_version))
          if self.cuda_info is None:
              s.write('''CuPy: Not Available\n''')
          else:
              s.write('''CuPy:\n''')
              for line in str(self.cuda_info).splitlines():
                  s.write('''  {}\n'''.format(line))
          if self.ideep_version is None:
              s.write('''iDeep: Not Available\n''')
          else:
              s.write('''iDeep: {}\n'''.format(self.ideep_version))
          return s.getvalue()
  
  
  def _get_runtime_info():
      return _RuntimeInfo()
  
  
  def print_runtime_info(out=None):
      """Shows Chainer runtime information.
  
      Runtime information includes:
      - OS platform
      - Chainer version
      - ChainerX version
      - NumPy version
      - CuPy version
        - CUDA information
        - cuDNN information
        - NCCL information
      - iDeep version
  
      Args:
          out: Output destination.
              If it is None, runtime information will be shown in `sys.stdout`.
  
      """
      print()
      if out is None:
          out = sys.stdout
      out.write(str(_get_runtime_info()))
      if hasattr(out, 'flush'):
          out.flush()
  
new_contents: import platform
  import sys
  
  import numpy
  import six
  
  import chainer
  from chainer.backends import cuda
  from chainer.backends import intel64
  import chainerx
  
  
  class _RuntimeInfo(object):
  
      chainer_version = None
      numpy_version = None
      cuda_info = None
      ideep_version = None
  
      def __init__(self):
          self.chainer_version = chainer.__version__
          self.chainerx_available = chainerx.is_available()
          self.numpy_version = numpy.__version__
          self.platform_version = platform.platform()
          if cuda.available:
              self.cuda_info = cuda.cupyx.get_runtime_info()
          else:
              self.cuda_info = None
          if intel64.is_ideep_available():
              self.ideep_version = intel64.ideep.__version__
          else:
              self.ideep_version = None
  
      def __str__(self):
          s = six.StringIO()
          s.write('''Platform: {}\n'''.format(self.platform_version))
          s.write('''Chainer: {}\n'''.format(self.chainer_version))
          s.write('''ChainerX: {}\n'''.format(
              'Available' if self.chainerx_available else 'Not Available'))
          s.write('''NumPy: {}\n'''.format(self.numpy_version))
          if self.cuda_info is None:
              s.write('''CuPy: Not Available\n''')
          else:
              s.write('''CuPy:\n''')
              for line in str(self.cuda_info).splitlines():
                  s.write('''  {}\n'''.format(line))
          if self.ideep_version is None:
              s.write('''iDeep: Not Available\n''')
          else:
              s.write('''iDeep: {}\n'''.format(self.ideep_version))
          return s.getvalue()
  
  
  def _get_runtime_info():
      return _RuntimeInfo()
  
  
  def print_runtime_info(out=None):
      """Shows Chainer runtime information.
  
      Runtime information includes:
      - OS platform
      - Chainer version
      - ChainerX version
      - NumPy version
      - CuPy version
        - CUDA information
        - cuDNN information
        - NCCL information
      - iDeep version
  
      Args:
          out: Output destination.
              If it is ``None``, runtime information
              will be shown in ``sys.stdout``.
  
      """
      print()
      if out is None:
          out = sys.stdout
      out.write(str(_get_runtime_info()))
      if hasattr(out, 'flush'):
          out.flush()
  
subject: Fix markups