async def incr(self, metric_name, value=<NUM_LIT:1>, context=None, **kwargs):
await self.set(metric_name, value, context, **kwargs)<EOL>
Increase a metric by 1 or a given amount.

        Args:
            metric_name (str): Identifier of the metric.
            value (int): (optional) Value with which to increase the metric
                (default: 1).
            context (dict): (optional) Additional key-value pairs which further
                describe the metric, for example: {'remote-host': '1.2.3.4'}