Defaults are ignored with flake8

If “ignore” is not set under flake8 in the tox.ini
file there there are defaults set to be ignored.

The depended patch fixes many of the problems.

Change-Id: Ieed2fe1c4654e201d3fe6d40ef93e247ee736f8b
Doc: http://flake8.readthedocs.org/en/latest/config.html#default
Depends-On: I935ab48e7c5bac5f88ecdb3a05f73fb44fc9f41d
Closes-Bug: #1548910

openstackclient/common/timing.py

@@ -30,7 +30,8 @@ class Timing(command.Lister):
         for url, td in self.app.timing_data:
             # NOTE(dtroyer): Take the long way here because total_seconds()
             #                was added in py27.
-            sec = (td.microseconds + (td.seconds + td.days*86400) * 1e6) / 1e6
+            sec = (td.microseconds + (td.seconds + td.days *
+                                      86400) * 1e6) / 1e6
             total += sec
             results.append((url, sec))
         results.append(('Total', total))

tox.ini

@@ -36,3 +36,6 @@ commands = sphinx-build -a -E -W -d releasenotes/build/doctrees -b html releasen
 [flake8]
 show-source = True
 exclude = .git,.tox,dist,doc,*openstack/common*,*lib/python*,*egg,build,tools
+# If 'ignore' is not set there are default errors and warnings that are set
+# Doc: http://flake8.readthedocs.org/en/latest/config.html#default
+ignore = __