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, 25 insertions, 30 deletions

diff --git a/test/sql/test_constraints.py b/test/sql/test_constraints.py
index a5d2043ce..fdc973156 100644
--- a/test/sql/test_constraints.py
+++ b/test/sql/test_constraints.py
@@ -1,37 +1,32 @@
-from sqlalchemy.testing import assert_raises, assert_raises_message
-from sqlalchemy import (
-    Table,
-    Integer,
-    String,
-    Column,
-    PrimaryKeyConstraint,
-    ForeignKeyConstraint,
-    ForeignKey,
-    UniqueConstraint,
-    Index,
-    MetaData,
-    CheckConstraint,
-    func,
-    text,
-)
-from sqlalchemy import exc, schema
-from sqlalchemy.testing import (
-    fixtures,
-    AssertsExecutionResults,
-    AssertsCompiledSQL,
-)
+from sqlalchemy import CheckConstraint
+from sqlalchemy import Column
+from sqlalchemy import exc
+from sqlalchemy import ForeignKey
+from sqlalchemy import ForeignKeyConstraint
+from sqlalchemy import func
+from sqlalchemy import Index
+from sqlalchemy import Integer
+from sqlalchemy import MetaData
+from sqlalchemy import PrimaryKeyConstraint
+from sqlalchemy import schema
+from sqlalchemy import String
+from sqlalchemy import Table
 from sqlalchemy import testing
+from sqlalchemy import text
+from sqlalchemy import UniqueConstraint
 from sqlalchemy.engine import default
+from sqlalchemy.testing import assert_raises
+from sqlalchemy.testing import assert_raises_message
+from sqlalchemy.testing import AssertsCompiledSQL
+from sqlalchemy.testing import AssertsExecutionResults
 from sqlalchemy.testing import engines
-from sqlalchemy.testing.assertions import expect_warnings
 from sqlalchemy.testing import eq_
-from sqlalchemy.testing.assertsql import (
-    AllOf,
-    RegexSQL,
-    CompiledSQL,
-    DialectSQL,
-)
-from sqlalchemy.sql import table, column
+from sqlalchemy.testing import fixtures
+from sqlalchemy.testing.assertions import expect_warnings
+from sqlalchemy.testing.assertsql import AllOf
+from sqlalchemy.testing.assertsql import CompiledSQL
+from sqlalchemy.testing.assertsql import DialectSQL
+from sqlalchemy.testing.assertsql import RegexSQL
 
 
 class ConstraintGenTest(fixtures.TestBase, AssertsExecutionResults):