Merge pull request #1971 from graingert/make-parking-lot-slotted

make ParkingLot slotted
python-trio · Apr 21, 2021 · b001577 · b001577
2 parents 4e8e19c + 66786bc
commit b001577
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/trio/_core/_parking_lot.py b/trio/_core/_parking_lot.py
@@ -80,12 +80,12 @@
 _counter = count()
 
 
-@attr.s(frozen=True)
+@attr.s(frozen=True, slots=True)
 class _ParkingLotStatistics:
     tasks_waiting = attr.ib()
 
 
-@attr.s(eq=False, hash=False)
+@attr.s(eq=False, hash=False, slots=True)
 class ParkingLot(metaclass=Final):
     """A fair wait queue with cancellation and requeueing.