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, 10 insertions, 6 deletions

diff --git a/test/sql/test_tablesample.py b/test/sql/test_tablesample.py
index 712450d9f..d2c57c930 100644
--- a/test/sql/test_tablesample.py
+++ b/test/sql/test_tablesample.py
@@ -1,10 +1,14 @@
-from sqlalchemy.testing import fixtures
-from sqlalchemy.testing import AssertsCompiledSQL, assert_raises_message
-from sqlalchemy.sql import select, func, text
-from sqlalchemy.engine import default
-from sqlalchemy import exc
-from sqlalchemy import Table, Integer, String, Column
+from sqlalchemy import Column
+from sqlalchemy import Integer
+from sqlalchemy import String
+from sqlalchemy import Table
 from sqlalchemy import tablesample
+from sqlalchemy.engine import default
+from sqlalchemy.sql import func
+from sqlalchemy.sql import select
+from sqlalchemy.sql import text
+from sqlalchemy.testing import AssertsCompiledSQL
+from sqlalchemy.testing import fixtures
 
 
 class TableSampleTest(fixtures.TablesTest, AssertsCompiledSQL):