Post black reformatting

Applied on top of a pure run of black -l 79 in
I7eda77fed3d8e73df84b3651fd6cfcfe858d4dc9,  this set of changes
resolves all remaining flake8 conditions for those codes
we have enabled in setup.cfg.

Included are resolutions for all remaining flake8 issues
including shadowed builtins, long lines, import order, unused
imports, duplicate imports, and docstring issues.

Change-Id: I4f72d3ba1380dd601610ff80b8fb06a2aff8b0fe

1 files changed, 32 insertions, 28 deletions

diff --git a/lib/sqlalchemy/orm/attributes.py b/lib/sqlalchemy/orm/attributes.py
index 1648c9ae1..b5674d010 100644
--- a/lib/sqlalchemy/orm/attributes.py
+++ b/lib/sqlalchemy/orm/attributes.py
@@ -15,34 +15,38 @@ defines a large part of the ORM's interactivity.
 """
 
 import operator
-from .. import util, event, inspection
-from . import interfaces, collections, exc as orm_exc
-
-from .base import instance_state, instance_dict, manager_of_class
-
-from .base import (
-    PASSIVE_NO_RESULT,
-    ATTR_WAS_SET,
-    ATTR_EMPTY,
-    NO_VALUE,
-    NEVER_SET,
-    NO_CHANGE,
-    CALLABLES_OK,
-    SQL_OK,
-    RELATED_OBJECT_OK,
-    INIT_OK,
-    NON_PERSISTENT_OK,
-    LOAD_AGAINST_COMMITTED,
-    PASSIVE_OFF,
-    PASSIVE_RETURN_NEVER_SET,
-    PASSIVE_NO_INITIALIZE,
-    PASSIVE_NO_FETCH,
-    PASSIVE_NO_FETCH_RELATED,
-    PASSIVE_ONLY_PERSISTENT,
-    NO_AUTOFLUSH,
-    NO_RAISE,
-)
-from .base import state_str, instance_str
+
+from . import collections
+from . import exc as orm_exc
+from . import interfaces
+from .base import ATTR_EMPTY
+from .base import ATTR_WAS_SET
+from .base import CALLABLES_OK
+from .base import INIT_OK
+from .base import instance_dict
+from .base import instance_state
+from .base import instance_str
+from .base import LOAD_AGAINST_COMMITTED
+from .base import manager_of_class
+from .base import NEVER_SET
+from .base import NO_AUTOFLUSH
+from .base import NO_CHANGE  # noqa
+from .base import NO_RAISE
+from .base import NO_VALUE
+from .base import NON_PERSISTENT_OK  # noqa
+from .base import PASSIVE_NO_FETCH
+from .base import PASSIVE_NO_FETCH_RELATED  # noqa
+from .base import PASSIVE_NO_INITIALIZE
+from .base import PASSIVE_NO_RESULT
+from .base import PASSIVE_OFF
+from .base import PASSIVE_ONLY_PERSISTENT
+from .base import PASSIVE_RETURN_NEVER_SET
+from .base import RELATED_OBJECT_OK  # noqa
+from .base import SQL_OK  # noqa
+from .base import state_str
+from .. import event
+from .. import inspection
+from .. import util
 
 
 @inspection._self_inspects