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, 47 insertions, 57 deletions

diff --git a/lib/sqlalchemy/schema.py b/lib/sqlalchemy/schema.py
index 598d499dc..199bb66dc 100644
--- a/lib/sqlalchemy/schema.py
+++ b/lib/sqlalchemy/schema.py
@@ -9,60 +9,50 @@
 
 """
 
-from .sql.base import SchemaVisitor
-
-
-from .sql.schema import (
-    BLANK_SCHEMA,
-    CheckConstraint,
-    Column,
-    ColumnDefault,
-    Constraint,
-    DefaultClause,
-    DefaultGenerator,
-    FetchedValue,
-    ForeignKey,
-    ForeignKeyConstraint,
-    Index,
-    MetaData,
-    PassiveDefault,
-    PrimaryKeyConstraint,
-    SchemaItem,
-    Sequence,
-    Table,
-    ThreadLocalMetaData,
-    UniqueConstraint,
-    _get_table_key,
-    ColumnCollectionConstraint,
-    ColumnCollectionMixin,
-)
-
-
-from .sql.naming import conv
-
-
-from .sql.ddl import (
-    DDL,
-    CreateTable,
-    DropTable,
-    CreateSequence,
-    DropSequence,
-    CreateIndex,
-    DropIndex,
-    CreateSchema,
-    DropSchema,
-    _DropView,
-    CreateColumn,
-    AddConstraint,
-    DropConstraint,
-    DDLBase,
-    DDLElement,
-    _CreateDropBase,
-    _DDLCompiles,
-    sort_tables,
-    sort_tables_and_constraints,
-    SetTableComment,
-    DropTableComment,
-    SetColumnComment,
-    DropColumnComment,
-)
+from .sql.base import SchemaVisitor  # noqa
+from .sql.ddl import _CreateDropBase  # noqa
+from .sql.ddl import _DDLCompiles  # noqa
+from .sql.ddl import _DropView  # noqa
+from .sql.ddl import AddConstraint  # noqa
+from .sql.ddl import CreateColumn  # noqa
+from .sql.ddl import CreateIndex  # noqa
+from .sql.ddl import CreateSchema  # noqa
+from .sql.ddl import CreateSequence  # noqa
+from .sql.ddl import CreateTable  # noqa
+from .sql.ddl import DDL  # noqa
+from .sql.ddl import DDLBase  # noqa
+from .sql.ddl import DDLElement  # noqa
+from .sql.ddl import DropColumnComment  # noqa
+from .sql.ddl import DropConstraint  # noqa
+from .sql.ddl import DropIndex  # noqa
+from .sql.ddl import DropSchema  # noqa
+from .sql.ddl import DropSequence  # noqa
+from .sql.ddl import DropTable  # noqa
+from .sql.ddl import DropTableComment  # noqa
+from .sql.ddl import SetColumnComment  # noqa
+from .sql.ddl import SetTableComment  # noqa
+from .sql.ddl import sort_tables  # noqa
+from .sql.ddl import sort_tables_and_constraints  # noqa
+from .sql.naming import conv  # noqa
+from .sql.schema import _get_table_key  # noqa
+from .sql.schema import BLANK_SCHEMA  # noqa
+from .sql.schema import CheckConstraint  # noqa
+from .sql.schema import Column  # noqa
+from .sql.schema import ColumnCollectionConstraint  # noqa
+from .sql.schema import ColumnCollectionMixin  # noqa
+from .sql.schema import ColumnDefault  # noqa
+from .sql.schema import Constraint  # noqa
+from .sql.schema import DefaultClause  # noqa
+from .sql.schema import DefaultGenerator  # noqa
+from .sql.schema import FetchedValue  # noqa
+from .sql.schema import ForeignKey  # noqa
+from .sql.schema import ForeignKeyConstraint  # noqa
+from .sql.schema import Index  # noqa
+from .sql.schema import MetaData  # noqa
+from .sql.schema import PassiveDefault  # noqa
+from .sql.schema import PrimaryKeyConstraint  # noqa
+from .sql.schema import SchemaItem  # noqa
+from .sql.schema import Sequence  # noqa
+from .sql.schema import Table  # noqa
+from .sql.schema import ThreadLocalMetaData  # noqa
+from .sql.schema import UniqueConstraint  # noqa