Improve type annotations for the helper methods on a CachedFunction. (

#14685)
matrix-org · Dec 16, 2022 · 864c3f8 · 864c3f8
1 parent 652d166
commit 864c3f8
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diff --git a/changelog.d/14685.misc b/changelog.d/14685.misc
@@ -0,0 +1 @@
+Improve type annotations for the helper methods on a `CachedFunction`.
diff --git a/synapse/util/caches/descriptors.py b/synapse/util/caches/descriptors.py
@@ -53,9 +53,9 @@
 
 
 class CachedFunction(Generic[F]):
-    invalidate: Any = None
-    invalidate_all: Any = None
-    prefill: Any = None
+    invalidate: Callable[[Tuple[Any, ...]], None]
+    invalidate_all: Callable[[], None]
+    prefill: Callable[[Tuple[Any, ...], Any], None]
     cache: Any = None
     num_args: Any = None