summaryrefslogtreecommitdiff
path: root/lib/sqlalchemy/sql/traversals.py
diff options
context:
space:
mode:
authormike bayer <mike_mp@zzzcomputing.com>2019-12-31 01:09:37 +0000
committerGerrit Code Review <gerrit@bbpush.zzzcomputing.com>2019-12-31 01:09:37 +0000
commit431f655b407cd3b266b5dfed5a5f3822e2c6b032 (patch)
tree8accba3710b0497375c854f0864d1c536bf9cbc4 /lib/sqlalchemy/sql/traversals.py
parentd030cfed6a87e1cccd80ef1ef500cd4cb2c1f766 (diff)
parent04fbb9e63c098dd2de40b545eed210dfd93893ce (diff)
downloadsqlalchemy-431f655b407cd3b266b5dfed5a5f3822e2c6b032.tar.gz
Merge "Test for short term reference cycles and resolve as many as possible"
Diffstat (limited to 'lib/sqlalchemy/sql/traversals.py')
-rw-r--r--lib/sqlalchemy/sql/traversals.py2
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/sqlalchemy/sql/traversals.py b/lib/sqlalchemy/sql/traversals.py
index 84a5623d3..68a3a0749 100644
--- a/lib/sqlalchemy/sql/traversals.py
+++ b/lib/sqlalchemy/sql/traversals.py
@@ -29,6 +29,8 @@ def compare(obj1, obj2, **kw):
class HasCacheKey(object):
_cache_key_traversal = NO_CACHE
+ __slots__ = ()
+
def _gen_cache_key(self, anon_map, bindparams):
"""return an optional cache key.