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, 12 insertions, 9 deletions

diff --git a/lib/sqlalchemy/dialects/postgresql/array.py b/lib/sqlalchemy/dialects/postgresql/array.py
index 07167f9d0..af1469880 100644
--- a/lib/sqlalchemy/dialects/postgresql/array.py
+++ b/lib/sqlalchemy/dialects/postgresql/array.py
@@ -5,13 +5,15 @@
 # This module is part of SQLAlchemy and is released under
 # the MIT License: http://www.opensource.org/licenses/mit-license.php
 
-from .base import ischema_names, colspecs
-from ...sql import expression, operators
-from ...sql.base import SchemaEventTarget
+from .base import colspecs
+from .base import ischema_names
 from ... import types as sqltypes
+from ...sql import expression
+from ...sql import operators
+
 
 try:
-    from uuid import UUID as _python_UUID
+    from uuid import UUID as _python_UUID  # noqa
 except ImportError:
     _python_UUID = None
 
@@ -142,13 +144,14 @@ class ARRAY(sqltypes.ARRAY):
             )
 
     The :class:`.postgresql.ARRAY` type provides all operations defined on the
-    core :class:`.types.ARRAY` type, including support for "dimensions", indexed
-    access, and simple matching such as :meth:`.types.ARRAY.Comparator.any`
-    and :meth:`.types.ARRAY.Comparator.all`.  :class:`.postgresql.ARRAY` class also
+    core :class:`.types.ARRAY` type, including support for "dimensions",
+    indexed access, and simple matching such as
+    :meth:`.types.ARRAY.Comparator.any` and
+    :meth:`.types.ARRAY.Comparator.all`.  :class:`.postgresql.ARRAY` class also
     provides PostgreSQL-specific methods for containment operations, including
     :meth:`.postgresql.ARRAY.Comparator.contains`
-    :meth:`.postgresql.ARRAY.Comparator.contained_by`,
-    and :meth:`.postgresql.ARRAY.Comparator.overlap`, e.g.::
+    :meth:`.postgresql.ARRAY.Comparator.contained_by`, and
+    :meth:`.postgresql.ARRAY.Comparator.overlap`, e.g.::
 
         mytable.c.data.contains([1, 2])