1 files changed, 3 insertions, 3 deletions
diff --git a/synapse/metrics/background_process_metrics.py b/synapse/metrics/background_process_metrics.py
index f766d16db6..5b73463504 100644
--- a/synapse/metrics/background_process_metrics.py
+++ b/synapse/metrics/background_process_metrics.py
@@ -105,7 +105,7 @@ _background_processes_active_since_last_scrape = set()  # type: Set[_BackgroundP
 _bg_metrics_lock = threading.Lock()
 
 
-class _Collector(object):
+class _Collector:
     """A custom metrics collector for the background process metrics.
 
     Ensures that all of the metrics are up-to-date with any in-flight processes
@@ -140,7 +140,7 @@ class _Collector(object):
 REGISTRY.register(_Collector())
 
 
-class _BackgroundProcess(object):
+class _BackgroundProcess:
     def __init__(self, desc, ctx):
         self.desc = desc
         self._context = ctx
@@ -175,7 +175,7 @@ def run_as_background_process(desc: str, func, *args, **kwargs):
     It returns a Deferred which completes when the function completes, but it doesn't
     follow the synapse logcontext rules, which makes it appropriate for passing to
     clock.looping_call and friends (or for firing-and-forgetting in the middle of a
-    normal synapse inlineCallbacks function).
+    normal synapse async function).
 
     Args:
         desc: a description for this background process type