Resolve PEP8

No idea how this happened, but reviews started failing the
pep8 gate job. The failures are legitimate, see the commit.
I guess the pep8 tests became smarter and found these issues.

Change-Id: Id9a0dad644134dafd68eed37fe8f41c583d7a619

Author: zaitcev

openstackclient/tests/functional/identity/v3/test_project.py

@@ -79,7 +79,6 @@ def test_project_set(self):
             '--disable '
             '--property k0=v0 '
             '%(name)s' % {'new_name': new_project_name,
-                          'domain': self.domain_name,
                           'name': project_name})
         self.assertEqual(0, len(raw_output))
         # check project details

openstackclient/tests/unit/network/v2/fakes.py

@@ -1833,7 +1833,7 @@ def create_one_port_forwarding(attrs=None):
         """
         attrs = attrs or {}
         floatingip_id = (
-            attrs.get('floatingip_id') or'floating-ip-id-' + uuid.uuid4().hex
+            attrs.get('floatingip_id') or 'floating-ip-id-' + uuid.uuid4().hex
         )
         # Set default attributes.
         port_forwarding_attrs = {