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, 40 insertions, 27 deletions

diff --git a/lib/sqlalchemy/orm/util.py b/lib/sqlalchemy/orm/util.py
index a1b0cd5da..4a1e18c1a 100644
--- a/lib/sqlalchemy/orm/util.py
+++ b/lib/sqlalchemy/orm/util.py
@@ -6,26 +6,32 @@
 # the MIT License: http://www.opensource.org/licenses/mit-license.php
 
 
-from .. import sql, util, event, exc as sa_exc, inspection
-from ..sql import expression, util as sql_util, operators
-from .interfaces import PropComparator, MapperProperty
-from . import attributes
 import re
 
-from .base import (
-    instance_str,
-    state_str,
-    state_class_str,
-    attribute_str,
-    state_attribute_str,
-    object_mapper,
-    object_state,
-    _none_set,
-    _never_set,
-)
-from .base import class_mapper, _class_to_mapper
-from .base import InspectionAttr
-from .path_registry import PathRegistry
+from . import attributes  # noqa
+from .base import _class_to_mapper  # noqa
+from .base import _never_set  # noqa
+from .base import _none_set  # noqa
+from .base import attribute_str  # noqa
+from .base import class_mapper  # noqa
+from .base import InspectionAttr  # noqa
+from .base import instance_str  # noqa
+from .base import object_mapper  # noqa
+from .base import object_state  # noqa
+from .base import state_attribute_str  # noqa
+from .base import state_class_str  # noqa
+from .base import state_str  # noqa
+from .interfaces import MapperProperty  # noqa
+from .interfaces import PropComparator  # noqa
+from .path_registry import PathRegistry  # noqa
+from .. import event
+from .. import exc as sa_exc
+from .. import inspection
+from .. import sql
+from .. import util
+from ..sql import expression
+from ..sql import util as sql_util
+
 
 all_cascades = frozenset(
     (
@@ -221,14 +227,14 @@ def polymorphic_union(
                 return sql.type_coerce(sql.null(), types[name]).label(name)
 
     result = []
-    for type, table in table_map.items():
+    for type_, table in table_map.items():
         if typecolname is not None:
             result.append(
                 sql.select(
                     [col(name, table) for name in colnames]
                     + [
                         sql.literal_column(
-                            sql_util._quote_ddl_expr(type)
+                            sql_util._quote_ddl_expr(type_)
                         ).label(typecolname)
                     ],
                     from_obj=[table],
@@ -261,7 +267,7 @@ def identity_key(*args, **kwargs):
 
       :param class: mapped class (must be a positional argument)
       :param ident: primary key, may be a scalar or tuple argument.
-      ;param identity_token: optional identity token
+      :param identity_token: optional identity token
 
         .. versionadded:: 1.2 added identity_token
 
@@ -301,7 +307,7 @@ first()
       :param class: mapped class (must be a positional argument)
       :param row: :class:`.RowProxy` row returned by a :class:`.ResultProxy`
        (must be given as a keyword arg)
-      ;param identity_token: optional identity token
+      :param identity_token: optional identity token
 
         .. versionadded:: 1.2 added identity_token
 
@@ -957,7 +963,14 @@ class _ORMJoin(expression.Join):
             else:
                 adapt_from = left_info.selectable
 
-            pj, sj, source, dest, secondary, target_adapter = prop._create_joins(
+            (
+                pj,
+                sj,
+                source,
+                dest,
+                secondary,
+                target_adapter,
+            ) = prop._create_joins(
                 source_selectable=adapt_from,
                 dest_selectable=adapt_to,
                 source_polymorphic=True,
@@ -1125,7 +1138,7 @@ def with_parent(instance, prop, from_entity=None):
     return prop._with_parent(instance, from_entity=from_entity)
 
 
-def has_identity(object):
+def has_identity(object_):
     """Return True if the given object has a database
     identity.
 
@@ -1137,11 +1150,11 @@ def has_identity(object):
         :func:`.was_deleted`
 
     """
-    state = attributes.instance_state(object)
+    state = attributes.instance_state(object_)
     return state.has_identity
 
 
-def was_deleted(object):
+def was_deleted(object_):
     """Return True if the given object was deleted
     within a session flush.
 
@@ -1156,7 +1169,7 @@ def was_deleted(object):
 
     """
 
-    state = attributes.instance_state(object)
+    state = attributes.instance_state(object_)
     return state.was_deleted