How to use the ramp-database.ramp_database.tools._query.select_event_team_by_name function in ramp-database

The RAMP event name.
    team_name : str
        The name of the team.

    Returns
    -------
    event : :class:`ramp_database.model.Event`
        The queried Event.
    team : :class:`ramp_database.model.Team`
        The queried team.
    event_team : :class:`ramp_database.model.EventTeam`
        The relationship event-team table.
    """
    event = select_event_by_name(session, event_name)
    team = select_team_by_name(session, team_name)
    event_team = select_event_team_by_name(session, event_name, team_name)
    if event_team is None:
        event_team = EventTeam(event=event, team=team)
        session.add(event_team)
        session.commit()
    return event, team, event_team

The team associated to the submission.
    submission_name : str
        The name to give to the current submission.
    submission_path : str
        The path of the files associated to the current submission. It will
        corresponds to the key `ramp_kit_subissions_dir` of the dictionary
        created with :func:`ramp_utils.generate_ramp_config`.

    Returns
    -------
    submission : :class:`ramp_database.model.Submission`
        The newly created submission.
    """
    event = select_event_by_name(session, event_name)
    team = select_team_by_name(session, team_name)
    event_team = select_event_team_by_name(session, event_name, team_name)
    submission = (session.query(Submission)
                         .filter(Submission.name == submission_name)
                         .filter(Submission.event_team == event_team)
                         .one_or_none())

    # create a new submission
    if submission is None:
        all_submissions = (session.query(Submission)
                                  .filter(Submission.event_team == event_team)
                                  .order_by(Submission.submission_timestamp)
                                  .all())
        last_submission = None if not all_submissions else all_submissions[-1]
        # check for non-admin user if they wait enough to make a new submission
        if (team.admin.access_level != 'admin' and last_submission is not None
                and last_submission.is_not_sandbox):
            time_to_last_submission = (datetime.datetime.utcnow() -

Parameters
    ----------
    session : :class:`sqlalchemy.orm.Session`
        The session to directly perform the operation on the database.
    event_name : str
        The RAMP event name.
    team_name : str
        The name of the team.

    Returns
    -------
    is_signed_up : bool
        Whether or not the user is signed up for the event.
    """
    event_team = select_event_team_by_name(session, event_name, user_name)
    if (event_team is not None and
            (event_team.is_active and event_team.approved)):
        return True
    return False

Parameters
    ----------
    session : :class:`sqlalchemy.orm.Session`
        The session to directly perform the operation on the database.
    event_name : str
        The RAMP event name.
    team_name : str
        The name of the team.

    Returns
    -------
    event_team : :class:`ramp_database.model.EventTeam`
        The event/team instance queried.
    """
    return select_event_team_by_name(session, event_name, user_name)

Parameters
    ----------
    session : :class:`sqlalchemy.orm.Session`
        The session to directly perform the operation on the database.
    event_name : str
        The RAMP event name.
    team_name : str
        The name of the team.

    Returns
    -------
    asked : bool
        Whether or not the user had asked to join event or not.
    """
    event_team = select_event_team_by_name(session, event_name, user_name)
    if (event_team is not None and
            (event_team.is_active and not event_team.approved)):
        return True
    return False