[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/xos/xos_client/xosapi/convenience/tag.py b/xos/xos_client/xosapi/convenience/tag.py
index be7bcf6..aaeaf65 100644
--- a/xos/xos_client/xosapi/convenience/tag.py
+++ b/xos/xos_client/xosapi/convenience/tag.py
@@ -1,4 +1,3 @@
-
 # Copyright 2017-present Open Networking Foundation
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
@@ -13,11 +12,18 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-
 from xosapi.orm import ORMWrapper, register_convenience_wrapper
 
+
 class ORMWrapperTag(ORMWrapper):
     def get_generic_foreignkeys(self):
-        return [{"name": "content_object", "content_type": "content_type", "id": "object_id"}]
+        return [
+            {
+                "name": "content_object",
+                "content_type": "content_type",
+                "id": "object_id",
+            }
+        ]
+
 
 register_convenience_wrapper("Tag", ORMWrapperTag)