'Update the cloud stats.
Return the stats (dict)'

@GlancesPlugin._check_decorator
@GlancesPlugin._log_result_decorator
def update(self):

    self.reset()
    if (not cloud_tag):
        return self.stats
    if (self.input_method == 'local'):
        self.stats = self.aws_ec2.stats
    return self.stats
