Due to changes in #5293.

https://glitchtip.devshift.net/insights/issues/3037656

TypeError:push_to_gateway() missing 1 required positional argument: 'registry'
File "celery/app/trace.py", line 734, in __protected_call__
     return self.run(*args, **kwargs)
File "koku/metrics.py", line 133, in collect_metrics
     push_to_gateway(settings.PROMETHEUS_PUSHGATEWAY, job="koku.metrics.collect_metrics")

Hopefully this is a simple fix.

There may be some issues with how we are using multiprocess mode.

The docs state that a pushgateway may not be used with multiprocess mode, yet that is what we are doing.

The CollectorRegistry is instantiated on import since it is a global in koku.metrics. That registy is then registered with a MultiProcessCollector, also on import. This may work, but it seems like it may be problematic.