def get_task_indicator(self, task_level=None):
if task_level is None:<EOL><INDENT>task_level = len(self.tasks)<EOL><DEDENT>return self.TASK_INDICATORS[task_level % len(self.TASK_INDICATORS)]<EOL>
Args:
    task_level (int or None): task depth level to get the indicator
        for, if None, will use the current tasks depth

Returns:
    str: char to prepend to the task logs to indicate it's level