black: Reformat with Black 23.

Black 23 enforces some slightly more specific rules about empty line
counts and redundant parenthesis removal, but the result is still
compatible with Black 22.

(This does not actually upgrade our Python environment to Black 23
yet.)

Signed-off-by: Anders Kaseorg <anders@zulip.com>

zerver/lib/presence.py

@@ -13,7 +13,6 @@ from zerver.models import PushDeviceToken, Realm, UserPresence, UserProfile, que
 def get_presence_dicts_for_rows(
     all_rows: Sequence[Mapping[str, Any]], mobile_user_ids: Set[int], slim_presence: bool
 ) -> Dict[str, Dict[str, Any]]:
-
     # Note that datetime values have sub-second granularity, which is
     # mostly important for avoiding test flakes, but it's also technically
     # more precise for real users.
@@ -48,7 +47,6 @@ def get_presence_dicts_for_rows(
 def get_modern_user_presence_info(
     presence_rows: Sequence[Mapping[str, Any]], mobile_user_ids: Set[int]
 ) -> Dict[str, Any]:
-
     active_timestamp = None
     for row in reversed(presence_rows):
         if row["status"] == UserPresence.ACTIVE:
@@ -78,7 +76,6 @@ def get_modern_user_presence_info(
 def get_legacy_user_presence_info(
     presence_rows: Sequence[Mapping[str, Any]], mobile_user_ids: Set[int]
 ) -> Dict[str, Any]:
-
     # The format of data here is for legacy users of our API,
     # including old versions of the mobile app.
     info_rows = []
@@ -190,7 +187,6 @@ def get_presence_dict_by_realm(
 def get_presences_for_realm(
     realm: Realm, slim_presence: bool
 ) -> Dict[str, Dict[str, Dict[str, Any]]]:
-
     if realm.presence_disabled:
         # Return an empty dict if presence is disabled in this realm
         return defaultdict(dict)