old_contents: # ==========================================================================
  #
  #   Copyright NumFOCUS
  #
  #   Licensed under the Apache License, Version 2.0 (the "License");
  #   you may not use this file except in compliance with the License.
  #   You may obtain a copy of the License at
  #
  #          http://www.apache.org/licenses/LICENSE-2.0.txt
  #
  #   Unless required by applicable law or agreed to in writing, software
  #   distributed under the License is distributed on an "AS IS" BASIS,
  #   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  #   See the License for the specific language governing permissions and
  #   limitations under the License.
  #
  # ==========================================================================*/
  
  #
  #  Test basic properties of modified times
  #
  
  import itk
  
  # image and transform are in the same module, but filters are in a different module.
  imType = itk.Image[itk.F, 2]
  imTypeB = itk.Image[itk.UC, 2]
  im = imType.New()
  
  transType = itk.Transform[itk.D, 3]
  trans = transType.New()
  
  filtType = itk.AndImageFilter[imTypeB, imTypeB, imTypeB]
  filt = filtType.New()
  
  metricType = itk.ImageToImageMetricv4[imType, imType]
  met = metricType.New()
  # We modify them in the order image, transform, filter
  for _ in range(3000):
      im.Modified()
  trans.Modified()
  met.Modified()
  filt.Modified()
  
  # and their Modified times should respect that order.
  assert im.GetMTime() < trans.GetMTime()
  assert trans.GetMTime() < met.GetMTime()
  assert met.GetMTime() < filt.GetMTime()
  
new_contents: # ==========================================================================
  #
  #   Copyright NumFOCUS
  #
  #   Licensed under the Apache License, Version 2.0 (the "License");
  #   you may not use this file except in compliance with the License.
  #   You may obtain a copy of the License at
  #
  #          http://www.apache.org/licenses/LICENSE-2.0.txt
  #
  #   Unless required by applicable law or agreed to in writing, software
  #   distributed under the License is distributed on an "AS IS" BASIS,
  #   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  #   See the License for the specific language governing permissions and
  #   limitations under the License.
  #
  # ==========================================================================*/
  
  #
  #  Test basic properties of modified times
  #
  
  import itk
  
  # image and transform are in the same module, but filters are in a different module.
  
  
  imType = itk.Image[itk.F, 2]
  imTypeB = itk.Image[itk.UC, 2]
  im = imType.New()
  
  transType = itk.Transform[itk.D, 3]
  trans = transType.New()
  
  filtType = itk.AndImageFilter[imTypeB, imTypeB, imTypeB]
  filt = filtType.New()
  
  metricType = itk.ImageToImageMetricv4[imType, imType]
  met = metricType.New()
  # We modify them in the order image, transform, filter
  for _ in range(3000):
      im.Modified()
  trans.Modified()
  met.Modified()
  filt.Modified()
  
  # and their Modified times should respect that order.
  assert im.GetMTime() < trans.GetMTime()
  assert trans.GetMTime() < met.GetMTime()
  assert met.GetMTime() < filt.GetMTime()
  
subject: Update python Test with `black` formatting