def this_week_day(base_date, weekday):
    """
    Finds coming weekday
    """
    day_of_week = base_date.weekday()
    # If today is Tuesday and the query is `this monday`
    # We should output the next_week monday
    if day_of_week > weekday:
        return next_week_day(base_date, weekday)
    start_of_this_week = base_date - timedelta(days=day_of_week + 1)
    day = start_of_this_week + timedelta(days=1)
    while day.weekday() != weekday:
        day = day + timedelta(days=1)
    return day
Finds coming weekday