old_contents: """
  Move the right secrets file into place for Travis CI.
  """
  
  import math
  import os
  import shutil
  from pathlib import Path
  
  
  def move_secrets_file() -> None:
      """
      Move the right secrets file to the current directory.
      """
      travis_build_number = float(os.environ['TRAVIS_BUILD_NUMBER'])
      travis_job_number = float(os.environ['TRAVIS_JOB_NUMBER'])
      travis_builder_number = math.ceil(
          (travis_job_number - travis_build_number) * 10
      )
      secrets_dir = Path('ci_secrets')
      num_secrets_files = len(list(secrets_dir.glob('*')))
      travis_max_concurrent_jobs = 5
      num_possible_concurrent_builds = min(
          num_secrets_files,
          travis_max_concurrent_jobs,
      )
      suffix = str(travis_builder_number % num_possible_concurrent_builds)
      secrets_path = secrets_dir / f'vuforia_secrets_{suffix}.env'
      shutil.copy(secrets_path, './vuforia_secrets.env')
  
  
  if __name__ == '__main__':
      move_secrets_file()
  
new_contents: """
  Move the right secrets file into place for Travis CI.
  """
  
  import math
  import os
  import shutil
  from pathlib import Path
  
  
  def move_secrets_file() -> None:
      """
      Move the right secrets file to the current directory.
      """
      travis_build_number = float(os.environ['TRAVIS_BUILD_NUMBER'])
      travis_job_number = float(os.environ['TRAVIS_JOB_NUMBER'])
      travis_builder_number = math.ceil(
          (travis_job_number - travis_build_number) * 10
      )
      secrets_dir = Path('ci_secrets')
      num_secrets_files = len(list(secrets_dir.glob('*')))
      travis_max_concurrent_jobs = 5
      num_possible_concurrent_builds = min(
          num_secrets_files,
          travis_max_concurrent_jobs,
      )
      print("Possible concurrent builds: " + str(num_possible_concurrent_builds))
      print("Travis builder number: " + str(travis_builder_number))
      suffix = str(travis_builder_number % num_possible_concurrent_builds)
      secrets_path = secrets_dir / f'vuforia_secrets_{suffix}.env'
      shutil.copy(secrets_path, './vuforia_secrets.env')
  
  
  if __name__ == '__main__':
      move_secrets_file()
  
subject: Print debug