old_contents: # -*- coding: utf-8 -*-
  """
  @file
  @brief Module *ensae_teaching_cs*.
  Functions, examples, for the lectures at the
  :epkg:`ENSAE`. See :epkg:`ensae_teaching_cs`.
  """
  
  import sys
  import os
  if sys.version_info[0] < 3:
      raise ImportError("ensae_teaching_cs only works with Python 3")
  
  __version__ = "0.9.3086"
  __author__ = "Xavier Dupré"
  __github__ = "https://github.com/sdpython/ensae_teaching_cs"
  __url__ = "http://www.xavierdupre.fr/app/ensae_teaching_cs/helpsphinx/index.html"
  __license__ = "MIT License"
  __blog__ = os.path.abspath(
      os.path.join(os.path.dirname(__file__), "rss_teachings.xml"))
  
  
  def _setup_hook(add_print=False, unit_test=False):
      """
      function executed before running the unit tests and the documentation,
      does nothing
      """
      pass
  
new_contents: # -*- coding: utf-8 -*-
  """
  @file
  @brief Module *ensae_teaching_cs*.
  Functions, examples, for the lectures at the
  :epkg:`ENSAE`. See :epkg:`ensae_teaching_cs`.
  """
  
  import sys
  import os
  if sys.version_info[0] < 3:
      raise ImportError("ensae_teaching_cs only works with Python 3")
  
  __version__ = "0.10.3086"
  __author__ = "Xavier Dupré"
  __github__ = "https://github.com/sdpython/ensae_teaching_cs"
  __url__ = "http://www.xavierdupre.fr/app/ensae_teaching_cs/helpsphinx/index.html"
  __license__ = "MIT License"
  __blog__ = os.path.abspath(
      os.path.join(os.path.dirname(__file__), "rss_teachings.xml"))
  
  
  def _setup_hook(add_print=False, unit_test=False):
      """
      function executed before running the unit tests and the documentation,
      does nothing
      """
      pass
  
subject: Update __init__.py