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-rw-r--r--lib/sqlalchemy/ext/asyncio/base.py5
1 files changed, 5 insertions, 0 deletions
diff --git a/lib/sqlalchemy/ext/asyncio/base.py b/lib/sqlalchemy/ext/asyncio/base.py
index 3f2c084f4..3f77f5500 100644
--- a/lib/sqlalchemy/ext/asyncio/base.py
+++ b/lib/sqlalchemy/ext/asyncio/base.py
@@ -8,6 +8,7 @@ from . import exc as async_exc
class ReversibleProxy:
# weakref.ref(async proxy object) -> weakref.ref(sync proxied object)
_proxy_objects = {}
+ __slots__ = ("__weakref__",)
def _assign_proxied(self, target):
if target is not None:
@@ -46,6 +47,8 @@ class ReversibleProxy:
class StartableContext(abc.ABC):
+ __slots__ = ()
+
@abc.abstractmethod
async def start(self, is_ctxmanager=False):
pass
@@ -68,6 +71,8 @@ class StartableContext(abc.ABC):
class ProxyComparable(ReversibleProxy):
+ __slots__ = ()
+
def __hash__(self):
return id(self)