Richard van der Hoff 85db7f73be Add a background update to clear tombstoned rooms from the directory (#6648) ... * Add a background update to clear tombstoned rooms from the directory * use the ABC metaclass		2020-01-07 14:18:43 +00:00
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delta	Add a background update to clear tombstoned rooms from the directory (#6648)	2020-01-07 14:18:43 +00:00
full_schemas	…