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, 11 insertions, 10 deletions

diff --git a/test/orm/inheritance/_poly_fixtures.py b/test/orm/inheritance/_poly_fixtures.py
index 668ea6160..cc253a380 100644
--- a/test/orm/inheritance/_poly_fixtures.py
+++ b/test/orm/inheritance/_poly_fixtures.py
@@ -1,14 +1,15 @@
-from sqlalchemy import Integer, String, ForeignKey
-from sqlalchemy.orm import (
-    relationship,
-    mapper,
-    create_session,
-    polymorphic_union,
-)
-
-from sqlalchemy.testing import AssertsCompiledSQL, fixtures
-from sqlalchemy.testing.schema import Table, Column
+from sqlalchemy import ForeignKey
+from sqlalchemy import Integer
+from sqlalchemy import String
+from sqlalchemy.orm import create_session
+from sqlalchemy.orm import mapper
+from sqlalchemy.orm import polymorphic_union
+from sqlalchemy.orm import relationship
+from sqlalchemy.testing import AssertsCompiledSQL
 from sqlalchemy.testing import config
+from sqlalchemy.testing import fixtures
+from sqlalchemy.testing.schema import Column
+from sqlalchemy.testing.schema import Table
 
 
 class Company(fixtures.ComparableEntity):