diff options
Diffstat (limited to 'lib/sqlalchemy/orm/mapper.py')
| -rw-r--r-- | lib/sqlalchemy/orm/mapper.py | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/sqlalchemy/orm/mapper.py b/lib/sqlalchemy/orm/mapper.py index c0a15c427..62067fc35 100644 --- a/lib/sqlalchemy/orm/mapper.py +++ b/lib/sqlalchemy/orm/mapper.py @@ -30,7 +30,7 @@ global_extensions = [] # a constant returned by _get_attr_by_column to indicate # this mapper is not handling an attribute for a particular # column -NO_ATTRIBUTE = object() +NO_ATTRIBUTE = util.symbol('NO_ATTRIBUTE') # lock used to synchronize the "mapper compile" step _COMPILE_MUTEX = util.threading.Lock() |