Fix up flake8 and unit test failures

* Make sure we default to localhost to not fail at the GAI check
* Cleanup some flake8 issues in the metrics module

awx/lib/metrics.py

@@ -2,28 +2,25 @@
 from __future__ import absolute_import
 
 import logging
+from functools import wraps
+from django_statsd.clients import statsd
 
 logger = logging.getLogger(__name__)
 
-from functools import wraps
-
-from django_statsd.clients import statsd
-
 
 def task_timer(fn):
     @wraps(fn)
     def __wrapped__(self, *args, **kwargs):
         statsd.incr('tasks.{}.{}.count'.format(
-                self.name.rsplit('.', 1)[-1],
-                fn.__name__
-        ))
+            self.name.rsplit('.', 1)[-1],
+            fn.__name__))
         with statsd.timer('tasks.{}.{}.timer'.format(
                 self.name.rsplit('.', 1)[-1],
-                fn.__name__
-        )):
+                fn.__name__)):
             return fn(self, *args, **kwargs)
     return __wrapped__
 
+
 class BaseTimer(object):
     def __init__(self, name, prefix=None):
         self.name = name.rsplit('.', 1)[-1]
@@ -34,8 +31,8 @@ class BaseTimer(object):
         @wraps(fn)
         def __wrapped__(obj, *args, **kwargs):
             statsd.incr('{}.{}.count'.format(
-                    self.name,
-                    fn.__name__
+                self.name,
+                fn.__name__
             ))
             with statsd.timer('{}.{}.timer'.format(
                     self.name,