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authorErik Johnston <erikj@matrix.org>2023-09-15 09:10:24 +0100
committerGitHub <noreply@github.com>2023-09-15 09:10:24 +0100
commitedec0b93cabbe5e03d658a2aa4c2c1b79cf8e85e (patch)
tree3d0fb030ed7cdf4a1b0a6d9549c1fbb877da11ea /synapse/metrics
parentSome minor performance fixes for task schedular (#16313) (diff)
downloadsynapse-edec0b93cabbe5e03d658a2aa4c2c1b79cf8e85e.tar.xz
Only use literal strings for process names (#16315)
Diffstat (limited to 'synapse/metrics')
-rw-r--r--synapse/metrics/background_process_metrics.py7
1 files changed, 5 insertions, 2 deletions
diff --git a/synapse/metrics/background_process_metrics.py b/synapse/metrics/background_process_metrics.py
index f1f1f0cdf9..fceb7a9f3c 100644
--- a/synapse/metrics/background_process_metrics.py
+++ b/synapse/metrics/background_process_metrics.py
@@ -48,6 +48,9 @@ from synapse.metrics._types import Collector
 if TYPE_CHECKING:
     import resource
 
+    # Old versions don't have `LiteralString`
+    from typing_extensions import LiteralString
+
 
 logger = logging.getLogger(__name__)
 
@@ -191,7 +194,7 @@ R = TypeVar("R")
 
 
 def run_as_background_process(
-    desc: str,
+    desc: "LiteralString",
     func: Callable[..., Awaitable[Optional[R]]],
     *args: Any,
     bg_start_span: bool = True,
@@ -259,7 +262,7 @@ P = ParamSpec("P")
 
 
 def wrap_as_background_process(
-    desc: str,
+    desc: "LiteralString",
 ) -> Callable[
     [Callable[P, Awaitable[Optional[R]]]],
     Callable[P, "defer.Deferred[Optional[R]]"],