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, 15 insertions, 7 deletions

diff --git a/test/dialect/mysql/test_on_duplicate.py b/test/dialect/mysql/test_on_duplicate.py
index 04072d4a9..0c6f47929 100644
--- a/test/dialect/mysql/test_on_duplicate.py
+++ b/test/dialect/mysql/test_on_duplicate.py
@@ -1,8 +1,15 @@
-from sqlalchemy.testing.assertions import eq_, assert_raises
-from sqlalchemy.testing import fixtures
-from sqlalchemy import exc, testing
+from sqlalchemy import Boolean
+from sqlalchemy import Column
+from sqlalchemy import exc
+from sqlalchemy import func
+from sqlalchemy import Integer
+from sqlalchemy import String
+from sqlalchemy import Table
+from sqlalchemy import testing
 from sqlalchemy.dialects.mysql import insert
-from sqlalchemy import Table, Column, Boolean, Integer, String, func
+from sqlalchemy.testing import fixtures
+from sqlalchemy.testing.assertions import assert_raises
+from sqlalchemy.testing.assertions import eq_
 
 
 class OnDuplicateTest(fixtures.TablesTest):
@@ -71,9 +78,10 @@ class OnDuplicateTest(fixtures.TablesTest):
             stmt = insert(foos)
             update_condition = foos.c.updated_once == False
 
-            # The following statements show importance of the columns update ordering
-            # as old values being referenced in UPDATE clause are getting replaced one
-            # by one from left to right with their new values.
+            # The following statements show importance of the columns update
+            # ordering as old values being referenced in UPDATE clause are
+            # getting replaced one by one from left to right with their new
+            # values.
             stmt1 = stmt.on_duplicate_key_update(
                 [
                     (