diff options
Diffstat (limited to 'lib/sqlalchemy/sql/base.py')
| -rw-r--r-- | lib/sqlalchemy/sql/base.py | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/sqlalchemy/sql/base.py b/lib/sqlalchemy/sql/base.py index 379f61ed7..59f30ed69 100644 --- a/lib/sqlalchemy/sql/base.py +++ b/lib/sqlalchemy/sql/base.py @@ -181,6 +181,8 @@ class DialectKWArgs(object): raise exc.ArgumentError("Dialect '%s' does have keyword-argument " "validation and defaults enabled configured" % dialect_name) + if cls not in construct_arg_dictionary: + construct_arg_dictionary[cls] = {} construct_arg_dictionary[cls][argument_name] = default @util.memoized_property |