code: def auto_create_version(class_name, version, filename="__init__.py"):
      
      version_filename = Path(
          "{classname}/{filename}".format(classname=class_name,
                                          filename=filename))
      with open(version_filename, "r") as f:
          content = f.read()
  
      if content != '__version__ = "{0}"'.format(version):
          banner("Updating version to {0}".format(version))
          with open(version_filename, "w") as text_file:
              text_file.write('__version__ = "{0:s}"'.format(version))
docs: creates a version number in the __init__.py file.
      it can be accessed with __version__
      :param class_name: 
      :param version: 
      :param filename: 
      :return: