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, 18 insertions, 19 deletions

diff --git a/lib/sqlalchemy/dialects/postgresql/pg8000.py b/lib/sqlalchemy/dialects/postgresql/pg8000.py
index fef09e0eb..1eb24668b 100644
--- a/lib/sqlalchemy/dialects/postgresql/pg8000.py
+++ b/lib/sqlalchemy/dialects/postgresql/pg8000.py
@@ -4,13 +4,11 @@
 #
 # This module is part of SQLAlchemy and is released under
 # the MIT License: http://www.opensource.org/licenses/mit-license.php
-
-"""
+r"""
 .. dialect:: postgresql+pg8000
     :name: pg8000
     :dbapi: pg8000
-    :connectstring: \
-postgresql+pg8000://user:password@host:port/dbname[?key=value&key=value...]
+    :connectstring: postgresql+pg8000://user:password@host:port/dbname[?key=value&key=value...]
     :url: https://pythonhosted.org/pg8000/
 
 
@@ -63,27 +61,28 @@ of the :ref:`psycopg2 <psycopg2_isolation_level>` dialect:
     :ref:`psycopg2_isolation_level`
 
 
-"""
-from ... import util, exc
+"""  # noqa
 import decimal
+import re
+
+from .base import _DECIMAL_TYPES
+from .base import _FLOAT_TYPES
+from .base import _INT_TYPES
+from .base import PGCompiler
+from .base import PGDialect
+from .base import PGExecutionContext
+from .base import PGIdentifierPreparer
+from .base import UUID
+from .json import JSON
+from ... import exc
 from ... import processors
 from ... import types as sqltypes
-from .base import (
-    PGDialect,
-    PGCompiler,
-    PGIdentifierPreparer,
-    PGExecutionContext,
-    _DECIMAL_TYPES,
-    _FLOAT_TYPES,
-    _INT_TYPES,
-    UUID,
-)
-import re
-from sqlalchemy.dialects.postgresql.json import JSON
+from ... import util
 from ...sql.elements import quoted_name
 
+
 try:
-    from uuid import UUID as _python_UUID
+    from uuid import UUID as _python_UUID  # noqa
 except ImportError:
     _python_UUID = None