From e2b8a90897e137fd118768a3bf35b70642916eb7 Mon Sep 17 00:00:00 2001 From: Jonathan de Jong Date: Mon, 5 Apr 2021 15:10:18 +0200 Subject: Update mypy configuration: `no_implicit_optional = True` (#9742) --- synapse/util/caches/deferred_cache.py | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'synapse/util/caches') diff --git a/synapse/util/caches/deferred_cache.py b/synapse/util/caches/deferred_cache.py index 1adc92eb90..dd392cf694 100644 --- a/synapse/util/caches/deferred_cache.py +++ b/synapse/util/caches/deferred_cache.py @@ -283,7 +283,9 @@ class DeferredCache(Generic[KT, VT]): # we return a new Deferred which will be called before any subsequent observers. return observable.observe() - def prefill(self, key: KT, value: VT, callback: Callable[[], None] = None): + def prefill( + self, key: KT, value: VT, callback: Optional[Callable[[], None]] = None + ): callbacks = [callback] if callback else [] self.cache.set(key, value, callbacks=callbacks) -- cgit 1.4.1