Bump hacking

hacking 3.0.x is too old.

Change-Id: Id9565ec8a49d6482b6de1527d6ab190eb9594372

.pre-commit-config.yaml

@@ -32,7 +32,7 @@ repos:
       - id: flake8
         name: flake8
         additional_dependencies:
-          - hacking>=3.0.1,<3.1.0
+          - hacking>=6.1.0,<6.2.0
         language: python
         entry: flake8
         files: '^.*\.py$'

oslo_i18n/tests/test_message.py

@@ -197,7 +197,7 @@ class MessageTestCase(test_base.BaseTestCase):
             results.append(_message.Message(msgid) % param)
 
         for message, result in zip(messages, results):
-            self.assertEqual(type(result), _message.Message)
+            self.assertIsInstance(result, _message.Message)
             self.assertEqual(message, result.translation())
 
             # simulate writing out as string

requirements.txt

@@ -1,5 +1 @@
-# The order of packages is significant, because pip processes them in the order
-# of appearance. Changing the order has an impact on the overall integration
-# process, which may cause wedges in the gate later.
-
 pbr!=2.1.0,>=2.0.0 # Apache-2.0

test-requirements.txt

@@ -1,7 +1,4 @@
-# The order of packages is significant, because pip processes them in the order
-# of appearance. Changing the order has an impact on the overall integration
-# process, which may cause wedges in the gate later.
-hacking>=3.0.1,<3.1.0 # Apache-2.0
+hacking>=6.1.0,<6.2.0 # Apache-2.0
 stestr>=2.0.0 # Apache-2.0
 
 oslotest>=3.2.0 # Apache-2.0