[SEBA-412] Automated reformat of Python code

Passes of modernize, autopep8, black, then check with flake8

flake8 + manual fixes:
  lib/xos-config
  lib/xos-kafka
  lib/xos-util
  xos/coreapi
  xos/api
  xos/xos_client

Change-Id: Ib23cf84cb13beb3c6381fa0d79594dc9131dc815
diff --git a/lib/xos-util/setup.py b/lib/xos-util/setup.py
index b60435d..a3707ef 100644
--- a/lib/xos-util/setup.py
+++ b/lib/xos-util/setup.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python 
+#!/usr/bin/env python
 
 # Copyright 2017-present Open Networking Foundation
 #
@@ -15,18 +15,15 @@
 # limitations under the License.
 
 
-import os
-
-from setuptools import setup
-
 from xosutil.autoversion_setup import setup_with_auto_version
 from xosutil.version import __version__
 
-setup_with_auto_version(name='XosUtil',
-      version=__version__,
-      description='XOS Utility Library',
-      author='Scott Baker',
-      author_email='scottb@opennetworking.org',
-      packages=['xosutil'],
-      include_package_data=True
-     )
+setup_with_auto_version(
+    name="XosUtil",
+    version=__version__,
+    description="XOS Utility Library",
+    author="Scott Baker",
+    author_email="scottb@opennetworking.org",
+    packages=["xosutil"],
+    include_package_data=True,
+)