diff --git a/synapse/util/__init__.py b/synapse/util/__init__.py
index 6323d452e7..a90f08dd4c 100644
--- a/synapse/util/__init__.py
+++ b/synapse/util/__init__.py
@@ -20,6 +20,7 @@ from typing import Any, Callable, Dict, Generator, Optional
import attr
from frozendict import frozendict
from matrix_common.versionstring import get_distribution_version_string
+from typing_extensions import ParamSpec
from twisted.internet import defer, task
from twisted.internet.defer import Deferred
@@ -82,6 +83,9 @@ def unwrapFirstError(failure: Failure) -> Failure:
return failure.value.subFailure # type: ignore[union-attr] # Issue in Twisted's annotations
+P = ParamSpec("P")
+
+
@attr.s(slots=True)
class Clock:
"""
@@ -110,7 +114,7 @@ class Clock:
return int(self.time() * 1000)
def looping_call(
- self, f: Callable, msec: float, *args: Any, **kwargs: Any
+ self, f: Callable[P, object], msec: float, *args: P.args, **kwargs: P.kwargs
) -> LoopingCall:
"""Call a function repeatedly.
|
