diff --git a/nova/api/openstack/__init__.py b/nova/api/openstack/__init__.py
index 07dddd28c2..b2f57e7d22 100644
--- a/nova/api/openstack/__init__.py
+++ b/nova/api/openstack/__init__.py
@@ -314,7 +314,7 @@ class APIRouterV21(base_wsgi.Router):
                             **kargs)
 
             if resource.custom_routes_fn:
-                    resource.custom_routes_fn(mapper, wsgi_resource)
+                resource.custom_routes_fn(mapper, wsgi_resource)
 
     def _register_controllers(self, ext):
         """Register controllers defined by the extensions
diff --git a/nova/compute/manager.py b/nova/compute/manager.py
index ee0db48542..995deef3d9 100644
--- a/nova/compute/manager.py
+++ b/nova/compute/manager.py
@@ -2076,10 +2076,11 @@ class ComputeManager(manager.Manager):
             yield resources
         except Exception as exc:
             with excutils.save_and_reraise_exception() as ctxt:
-                if not isinstance(exc, (exception.InstanceNotFound,
-                    exception.UnexpectedDeletingTaskStateError)):
-                        LOG.exception(_LE('Instance failed to spawn'),
-                                instance=instance)
+                if not isinstance(exc, (
+                        exception.InstanceNotFound,
+                        exception.UnexpectedDeletingTaskStateError)):
+                    LOG.exception(_LE('Instance failed to spawn'),
+                                  instance=instance)
                 # Make sure the async call finishes
                 if network_info is not None:
                     network_info.wait(do_raise=False)
diff --git a/nova/image/glance.py b/nova/image/glance.py
index a90647b2f2..60f27c0ba0 100644
--- a/nova/image/glance.py
+++ b/nova/image/glance.py
@@ -84,23 +84,23 @@ def generate_identity_headers(context, status='Confirmed'):
 
 
 def _glanceclient_from_endpoint(context, endpoint, version=1):
-        """Instantiate a new glanceclient.Client object."""
-        params = {}
-        # NOTE(sdague): even if we aren't using keystone, it doesn't
-        # hurt to send these headers.
-        params['identity_headers'] = generate_identity_headers(context)
-        if endpoint.startswith('https://'):
-            # https specific params
-            params['insecure'] = CONF.glance.api_insecure
-            params['ssl_compression'] = False
-            sslutils.is_enabled(CONF)
-            if CONF.ssl.cert_file:
-                params['cert_file'] = CONF.ssl.cert_file
-            if CONF.ssl.key_file:
-                params['key_file'] = CONF.ssl.key_file
-            if CONF.ssl.ca_file:
-                params['cacert'] = CONF.ssl.ca_file
-        return glanceclient.Client(str(version), endpoint, **params)
+    """Instantiate a new glanceclient.Client object."""
+    params = {}
+    # NOTE(sdague): even if we aren't using keystone, it doesn't
+    # hurt to send these headers.
+    params['identity_headers'] = generate_identity_headers(context)
+    if endpoint.startswith('https://'):
+        # https specific params
+        params['insecure'] = CONF.glance.api_insecure
+        params['ssl_compression'] = False
+        sslutils.is_enabled(CONF)
+        if CONF.ssl.cert_file:
+            params['cert_file'] = CONF.ssl.cert_file
+        if CONF.ssl.key_file:
+            params['key_file'] = CONF.ssl.key_file
+        if CONF.ssl.ca_file:
+            params['cacert'] = CONF.ssl.ca_file
+    return glanceclient.Client(str(version), endpoint, **params)
 
 
 def get_api_servers():
diff --git a/nova/network/floating_ips.py b/nova/network/floating_ips.py
index fd736f86c4..60633a93bd 100644
--- a/nova/network/floating_ips.py
+++ b/nova/network/floating_ips.py
@@ -607,10 +607,9 @@ class FloatingIP(object):
         for dns_domain in domain_list:
             if (dns_domain.domain in floating_driver_domain_list or
                     dns_domain.domain in instance_driver_domain_list):
-                    domain_entry = self._prepare_domain_entry(context,
-                                                              dns_domain)
-                    if domain_entry:
-                        domains.append(domain_entry)
+                domain_entry = self._prepare_domain_entry(context, dns_domain)
+                if domain_entry:
+                    domains.append(domain_entry)
             else:
                 LOG.warning(_LW('Database inconsistency: DNS domain |%s| is '
                                 'registered in the Nova db but not visible to '
diff --git a/nova/objects/numa.py b/nova/objects/numa.py
index 15703e6565..4ce040154c 100644
--- a/nova/objects/numa.py
+++ b/nova/objects/numa.py
@@ -31,7 +31,7 @@ def all_things_equal(obj_a, obj_b):
             continue
 
         if getattr(obj_a, name) != getattr(obj_b, name):
-                return False
+            return False
     return True
 
 
diff --git a/nova/virt/libvirt/driver.py b/nova/virt/libvirt/driver.py
index c6632cf2cd..8f34fc1c37 100644
--- a/nova/virt/libvirt/driver.py
+++ b/nova/virt/libvirt/driver.py
@@ -524,15 +524,15 @@ class LibvirtDriver(driver.ComputeDriver):
                 not self._host.has_min_version(
                                         MIN_LIBVIRT_OTHER_ARCH.get(kvm_arch),
                                         MIN_QEMU_OTHER_ARCH.get(kvm_arch))):
-                raise exception.NovaException(
-                    _('Running Nova with qemu/kvm virt_type on %(arch)s '
-                      'requires libvirt version %(libvirt_ver)s and '
-                      'qemu version %(qemu_ver)s, or greater') %
-                    {'arch': kvm_arch,
-                     'libvirt_ver': self._version_to_string(
-                        MIN_LIBVIRT_OTHER_ARCH.get(kvm_arch)),
-                     'qemu_ver': self._version_to_string(
-                        MIN_QEMU_OTHER_ARCH.get(kvm_arch))})
+            raise exception.NovaException(
+                _('Running Nova with qemu/kvm virt_type on %(arch)s '
+                  'requires libvirt version %(libvirt_ver)s and '
+                  'qemu version %(qemu_ver)s, or greater') %
+                {'arch': kvm_arch,
+                 'libvirt_ver': self._version_to_string(
+                     MIN_LIBVIRT_OTHER_ARCH.get(kvm_arch)),
+                 'qemu_ver': self._version_to_string(
+                     MIN_QEMU_OTHER_ARCH.get(kvm_arch))})
 
     def _prepare_migration_flags(self):
         migration_flags = 0
diff --git a/nova/virt/libvirt/volume/scality.py b/nova/virt/libvirt/volume/scality.py
index 93e8a73274..1ee20bcb75 100644
--- a/nova/virt/libvirt/volume/scality.py
+++ b/nova/virt/libvirt/volume/scality.py
@@ -118,7 +118,7 @@ class LibvirtScalityVolumeDriver(fs.LibvirtBaseFileSystemVolumeDriver):
                 parts = mount.split()
                 if (parts[0].endswith('fuse') and
                         parts[1].rstrip('/') == mount_path):
-                            return True
+                    return True
         return False
 
     def _mount_sofs(self):