Bump hacking to 6.0.x

A note about dependency ordering is removed from the requirements file:
this is no longer true with the dependency resolver introduced with pip
20.3.

Change-Id: I615be3453db37588edf98a46ce484efc5e051f11
Signed-off-by: Stephen Finucane <stephenfin@redhat.com>

keystonemiddleware/audit/_api.py

@@ -87,7 +87,8 @@ class OpenStackAuditApi(object):
         if cfg_file:
             try:
                 map_conf = _ConfigParser()
-                map_conf.read_file(open(cfg_file))
+                with open(cfg_file) as fh:
+                    map_conf.read_file(fh)
 
                 try:
                     default_target_endpoint_type = map_conf.get(

keystonemiddleware/tests/unit/audit/test_audit_oslo_messaging.py

@@ -88,6 +88,5 @@ class AuditNotifierConfigTest(base.BaseAuditMiddlewareTest):
         audit_middleware = self.create_simple_middleware()
 
         # make sure it is using a local notifier instead of oslo_messaging
-        self.assertTrue(
-            isinstance(audit_middleware._notifier,
-                       audit._notifier._LogNotifier))
+        self.assertIsInstance(audit_middleware._notifier,
+                              audit._notifier._LogNotifier)

requirements.txt

@@ -2,10 +2,6 @@
 # date but we do not test them so no guarantee of having them all correct. If
 # you find any incorrect lower bounds, let us know or propose a fix.
 
-# 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.
-
 keystoneauth1>=3.12.0 # Apache-2.0
 oslo.cache>=1.26.0 # Apache-2.0
 oslo.config>=5.2.0 # Apache-2.0

test-requirements.txt

@@ -1,11 +1,5 @@
-# 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,<4.0.0 # Apache-2.0
-flake8-docstrings==1.6.0 # MIT
-pep8==1.7.1 # MIT
-
+hacking~=6.0.1 # Apache-2.0
+flake8-docstrings~=1.7.0 # MIT
 
 coverage!=4.4,>=4.0 # Apache-2.0
 cryptography>=3.0 # BSD/Apache-2.0