Fix some pep8 errors

- F632
- E305
- E117

Change-Id: Id08a49c401a11a6f43ff132e798bdb1088ddb75d

tripleoclient/heat_launcher.py

@@ -280,7 +280,7 @@ class HeatContainerLauncher(HeatBaseLauncher):
             # 137 means the container was killed by 'kill -9' which happens
             # then we're done creating the Heat stack, so we consider it
             # as successful.
-            if e.returncode is not 137:
+            if e.returncode != 137:
                 raise Exception('heat_all container did not run as expected.')
 
     def heat_db_sync(self):

tripleoclient/tests/v1/overcloud_netenv_validate/test_overcloud_netenv_validate.py

@@ -263,14 +263,14 @@ class TestValidateOvercloudNetenv(fakes.TestValidateOvercloudNetenv):
     def test_command(self, mock_nic_validate):
         """Testing the command with a minimal file that will fail"""
         with tempfile.NamedTemporaryFile('wt') as net_file:
-                net_file.write(EMPTY_NETENV)
+            net_file.write(EMPTY_NETENV)
-                net_file.flush()
+            net_file.flush()
 
-                arglist = ['--file', net_file.name]
+            arglist = ['--file', net_file.name]
-                verifylist = [
+            verifylist = [
-                    ('netenv', net_file.name),
+                ('netenv', net_file.name),
-                ]
+            ]
 
-                parsed_args = self.check_parser(self.cmd, arglist, verifylist)
+            parsed_args = self.check_parser(self.cmd, arglist, verifylist)
-                # Validating a minimal file shouldn't raise errors.
+            # Validating a minimal file shouldn't raise errors.
-                self.cmd.take_action(parsed_args)
+            self.cmd.take_action(parsed_args)

tripleoclient/v1/undercloud_config.py

@@ -112,6 +112,7 @@ def _load_subnets_config_groups():
         else:
             CONF.register_opts(config.get_remote_subnet_opts(), group=g)
 
+
 LOG = logging.getLogger(__name__ + ".undercloud_config")
 
 

tripleoclient/v1/undercloud_preflight.py

@@ -34,6 +34,7 @@ from tripleoclient import utils
 class FailedValidation(Exception):
     pass
 
+
 CONF = cfg.CONF
 
 # We need 8 GB, leave a little room for variation in what 8 GB means on