How to use the nbsite.nbbuild.ExecutePreprocessor1000 function in nbsite

def evaluate_notebook(nb_path, dest_path=None, skip_exceptions=False,substring=None, end=None, skip_execute=None,skip_output=None, offset=0, timeout=300, ipython_startup=None,patterns_to_take_with_me=None):

    if patterns_to_take_with_me is None:
        patterns_to_take_with_me = []

    notebook = nbformat.read(nb_path, as_version=4)
    kwargs = dict(timeout=timeout,
                  kernel_name='python%s'%sys.version_info[0],
                  allow_errors=skip_exceptions)

    cwd = os.getcwd()
    filedir, filename = os.path.split(nb_path)
    os.chdir(filedir)
    #profile_dir = os.path.join(os.path.dirname(os.path.abspath(__file__)), 'profile_docs')
    #print("Ignoring %s...hope that's ok"%profile_dir)
    not_nb_runner = ExecutePreprocessor1000(**kwargs)
    if ipython_startup is not None:
        not_nb_runner._ipython_startup = ipython_startup

    if not os.path.isfile(dest_path):
        # TODO but this isn't true, is it? it's running the originl nb
        print('INFO: Writing evaluated notebook to {dest_path!s}'.format(
            dest_path=os.path.abspath(dest_path)))
        try:
            if not skip_execute:
                not_nb_runner.preprocess(notebook,{})
        except CellExecutionError as e:
            print('')
            print(e)
        os.chdir(cwd)

        if skip_execute: