text: #!/usr/bin/env python
  """This script manages all tasks for the TRAVIS build server."""
  import subprocess as sp
  import glob
  
  if __name__ == '__main__':
  
      for notebook in glob.glob('*.ipynb'):
          cmd = ' jupyter nbconvert --execute {}  --ExecutePreprocessor.timeout=-1'.format(notebook)
          sp.check_call(cmd, shell=True)
  