diff options
Diffstat (limited to 'lib/sqlalchemy/engine')
| -rw-r--r-- | lib/sqlalchemy/engine/util.py | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/lib/sqlalchemy/engine/util.py b/lib/sqlalchemy/engine/util.py index 8fb04646f..fc0260ae2 100644 --- a/lib/sqlalchemy/engine/util.py +++ b/lib/sqlalchemy/engine/util.py @@ -8,6 +8,7 @@ from .. import exc from .. import util from ..util import collections_abc +from ..util import immutabledict def connection_memoize(key): @@ -85,9 +86,11 @@ _no_kw = util.immutabledict() def _distill_params_20(params): + # TODO: this has to be in C if params is None: return _no_tuple, _no_kw, [] - elif isinstance(params, collections_abc.MutableSequence): # list + elif isinstance(params, list): + # collections_abc.MutableSequence): # avoid abc.__instancecheck__ if params and not isinstance( params[0], (collections_abc.Mapping, tuple) ): @@ -99,7 +102,9 @@ def _distill_params_20(params): return tuple(params), _no_kw, params elif isinstance( params, - (collections_abc.Sequence, collections_abc.Mapping), # tuple or dict + (tuple, dict, immutabledict), + # avoid abc.__instancecheck__ + # (collections_abc.Sequence, collections_abc.Mapping), ): return _no_tuple, params, [params] else: |