[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-genx/xos-genx-tests/test_policy.py b/lib/xos-genx/xos-genx-tests/test_policy.py
index d83ab6c..e8b5a76 100644
--- a/lib/xos-genx/xos-genx-tests/test_policy.py
+++ b/lib/xos-genx/xos-genx-tests/test_policy.py
@@ -1,4 +1,3 @@
-
 # Copyright 2017-present Open Networking Foundation
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
@@ -24,10 +23,10 @@
 into Python, set up an appropriate environment and execute the Python.
 """
 
+
 class XProtoPolicyTest(unittest.TestCase):
     def test_annotation(self):
-        xproto = \
-"""
+        xproto = """
     policy true_policy < True >
 
     message always::true_policy {
@@ -45,8 +44,7 @@
         self.assertIn("true_policy", output)
 
     def test_constant(self):
-        xproto = \
-"""
+        xproto = """
     policy true_policy < True >
 """
 
@@ -56,12 +54,11 @@
         args.inputs = xproto
         args.target = target
 
-        output = XOSProcessor.process(args).replace('t','T')
-        self.assertTrue(eval(output)) 
+        output = XOSProcessor.process(args).replace("t", "T")
+        self.assertTrue(eval(output))
 
     def test_function_term(self):
-        xproto = \
-"""
+        xproto = """
     policy slice_user < slice.user.compute_is_admin() >
 """
 
@@ -71,7 +68,7 @@
         args.target = target
 
         output = XOSProcessor.process(args)
-       
+
         slice = FakeObject()
         slice.user = FakeObject()
         slice.user.compute_is_admin = lambda: True
@@ -80,8 +77,7 @@
         self.assertTrue(expr)
 
     def test_term(self):
-        xproto = \
-"""
+        xproto = """
     policy slice_user < slice.user.is_admin >
 """
 
@@ -91,7 +87,7 @@
         args.target = target
 
         output = XOSProcessor.process(args)
-       
+
         slice = FakeObject()
         slice.user = FakeObject()
         slice.user.is_admin = True
@@ -100,8 +96,7 @@
         self.assertTrue(expr)
 
     def test_num_constant(self):
-        xproto = \
-"""
+        xproto = """
     policy slice_user < slice.user.age = 57 >
 """
 
@@ -111,7 +106,7 @@
         args.target = target
 
         output = XOSProcessor.process(args)
-       
+
         slice = FakeObject()
         slice.user = FakeObject()
         slice.user.is_admin = True
@@ -120,8 +115,7 @@
         self.assertTrue(expr)
 
     def test_string_constant(self):
-        xproto = \
-"""
+        xproto = """
     policy slice_user < slice.user.email = "admin@opencord.org" >
 """
 
@@ -131,7 +125,7 @@
         args.target = target
 
         output = XOSProcessor.process(args)
-       
+
         slice = FakeObject()
         slice.user = FakeObject()
         slice.user.is_admin = True
@@ -140,8 +134,7 @@
         self.assertTrue(expr)
 
     def test_equal(self):
-        xproto = \
-"""
+        xproto = """
     policy slice_user < slice.user = obj.user >
 """
 
@@ -151,20 +144,19 @@
         args.target = target
 
         output = XOSProcessor.process(args)
-       
+
         slice = FakeObject()
-        slice.user = 'twin'
+        slice.user = "twin"
         obj = FakeObject()
-        obj.user = 'twin'
+        obj.user = "twin"
 
         (op, operands), = eval(output).items()
-        expr = op.join(operands).replace('=','==')
+        expr = op.join(operands).replace("=", "==")
 
         self.assertTrue(eval(expr))
 
     def test_bin(self):
-        xproto = \
-"""
+        xproto = """
     policy slice_admin < slice.is_admin | obj.empty >
 """
         target = XProtoTestHelpers.write_tmp_target("{{ proto.policies.slice_admin }}")
@@ -180,13 +172,12 @@
         obj.empty = []
 
         (op, operands), = eval(output).items()
-        expr = op.join(operands).replace('|',' or ')
+        expr = op.join(operands).replace("|", " or ")
 
         self.assertFalse(eval(expr))
 
     def test_implies(self):
-        xproto = \
-"""
+        xproto = """
     policy implies < obj.name -> obj.creator >
 """
         target = XProtoTestHelpers.write_tmp_target("{{ proto.policies.implies }}")
@@ -199,17 +190,16 @@
         slice = FakeObject()
         slice.is_admin = False
         obj = FakeObject()
-        obj.name = 'Thing 1'
+        obj.name = "Thing 1"
         obj.creator = None
 
         (op, operands), = eval(output).items()
-        expr = 'not ' + op.join(operands).replace('->',' or ')
+        expr = "not " + op.join(operands).replace("->", " or ")
 
         self.assertFalse(eval(expr))
-   
+
     def test_exists(self):
-        xproto = \
-"""
+        xproto = """
     policy privilege < exists Privilege: Privilege.object_id = obj.id >
 """
 
@@ -219,7 +209,7 @@
         args.target = target
 
         output = XOSProcessor.process(args)
-        
+
         Privilege = FakeObject()
         Privilege.object_id = 1
         obj = FakeObject()
@@ -227,49 +217,49 @@
 
         (op, operands), = eval(output).items()
         (op2, operands2), = operands[1].items()
-        expr = op2.join(operands2).replace('=','==')
+        expr = op2.join(operands2).replace("=", "==")
 
         self.assertTrue(eval(expr))
 
     def test_policy_function(self):
-        xproto = \
-"""
+        xproto = """
     policy slice_policy < exists Privilege: Privilege.object_id = obj.id >
     policy network_slice_policy < *slice_policy(slice) >
 """
 
-        target = XProtoTestHelpers.write_tmp_target("{{ proto.policies.network_slice_policy }} ")
+        target = XProtoTestHelpers.write_tmp_target(
+            "{{ proto.policies.network_slice_policy }} "
+        )
         args = XOSProcessorArgs()
         args.inputs = xproto
         args.target = target
 
         output = XOSProcessor.process(args)
-        
+
         (op, operands), = eval(output).items()
 
-        self.assertIn('slice_policy', operands)
-        self.assertIn('slice', operands)
+        self.assertIn("slice_policy", operands)
+        self.assertIn("slice", operands)
 
     def test_policy_missing_function(self):
-        xproto = \
-"""
+        xproto = """
     policy slice_policy < exists Privilege: Privilege.object_id = obj.id >
     policy network_slice_policy < *slice_policyX(slice) >
 """
 
-        target = XProtoTestHelpers.write_tmp_target("{{ proto.policies.network_slice_policy }} ")
+        target = XProtoTestHelpers.write_tmp_target(
+            "{{ proto.policies.network_slice_policy }} "
+        )
         args = XOSProcessorArgs()
         args.inputs = xproto
         args.target = target
 
         with self.assertRaises(Exception):
             output = XOSProcessor.process(args)
-        
 
     def test_forall(self):
         # This one we only parse
-        xproto = \
-"""
+        xproto = """
     policy instance < forall Instance: exists Credential: Credential.obj_id = Instance.obj_id >
 """
 
@@ -282,10 +272,8 @@
         output = XOSProcessor.process(args)
         (op, operands), = eval(output).items()
 
-        self.assertEqual(op,'forall')
+        self.assertEqual(op, "forall")
 
 
-if __name__ == '__main__':
+if __name__ == "__main__":
     unittest.main()
-
-