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, 19 insertions, 10 deletions

diff --git a/examples/space_invaders/space_invaders.py b/examples/space_invaders/space_invaders.py
index d5437d8cf..34d233da1 100644
--- a/examples/space_invaders/space_invaders.py
+++ b/examples/space_invaders/space_invaders.py
@@ -1,14 +1,24 @@
-import sys
-from sqlalchemy.ext.declarative import declarative_base
-from sqlalchemy import create_engine, Integer, Column, ForeignKey, String, func
-from sqlalchemy.orm import relationship, Session, joinedload
-from sqlalchemy.ext.hybrid import hybrid_property, hybrid_method
 import curses
-import time
-import textwrap
-import re
-import random
 import logging
+import random
+import re
+import sys
+import textwrap
+import time
+
+from sqlalchemy import Column
+from sqlalchemy import create_engine
+from sqlalchemy import ForeignKey
+from sqlalchemy import func
+from sqlalchemy import Integer
+from sqlalchemy import String
+from sqlalchemy.ext.declarative import declarative_base
+from sqlalchemy.ext.hybrid import hybrid_method
+from sqlalchemy.ext.hybrid import hybrid_property
+from sqlalchemy.orm import joinedload
+from sqlalchemy.orm import relationship
+from sqlalchemy.orm import Session
+
 
 _PY3 = sys.version_info > (3, 0)
 if _PY3:
@@ -39,7 +49,6 @@ PAUSE_KEY = ord("p")
 
 COLOR_MAP = {
     "K": curses.COLOR_BLACK,
-    "R": curses.COLOR_RED,
     "B": curses.COLOR_BLUE,
     "C": curses.COLOR_CYAN,
     "G": curses.COLOR_GREEN,