diff --git a/doc/source/microversion_testing.rst b/doc/source/microversion_testing.rst
index 3ae03c2..073a0bb 100644
--- a/doc/source/microversion_testing.rst
+++ b/doc/source/microversion_testing.rst
@@ -360,15 +360,15 @@
 
   * `2.54`_
 
-  .. _2.54: https://docs.openstack.org/nova/latest/reference/api-microversion-history.html#id4
+  .. _2.54: https://docs.openstack.org/nova/latest/reference/api-microversion-history.html#id49
 
   * `2.55`_
 
-  .. _2.55: https://docs.openstack.org/nova/latest/reference/api-microversion-history.html#id49
+  .. _2.55: https://docs.openstack.org/nova/latest/reference/api-microversion-history.html#id50
 
   * `2.57`_
 
-  .. _2.57: https://docs.openstack.org/nova/latest/reference/api-microversion-history.html#id51
+  .. _2.57: https://docs.openstack.org/nova/latest/reference/api-microversion-history.html#id52
 
   * `2.60`_
 
diff --git a/tempest/api/compute/keypairs/test_keypairs_negative.py b/tempest/api/compute/keypairs/test_keypairs_negative.py
index f9050a8..81635ca 100644
--- a/tempest/api/compute/keypairs/test_keypairs_negative.py
+++ b/tempest/api/compute/keypairs/test_keypairs_negative.py
@@ -84,6 +84,6 @@
     @decorators.idempotent_id('45fbe5e0-acb5-49aa-837a-ff8d0719db91')
     def test_create_keypair_invalid_name(self):
         # Keypairs with name being an invalid name should not be created
-        k_name = 'key_/.\@:'
+        k_name = r'key_/.\@:'
         self.assertRaises(lib_exc.BadRequest, self.create_keypair,
                           k_name)
diff --git a/tempest/api/compute/servers/test_list_server_filters.py b/tempest/api/compute/servers/test_list_server_filters.py
index 14aecfd..3dffd01 100644
--- a/tempest/api/compute/servers/test_list_server_filters.py
+++ b/tempest/api/compute/servers/test_list_server_filters.py
@@ -227,7 +227,7 @@
     @decorators.idempotent_id('24a89b0c-0d55-4a28-847f-45075f19b27b')
     def test_list_servers_filtered_by_name_regex(self):
         # list of regex that should match s1, s2 and s3
-        regexes = ['^.*\-instance\-[0-9]+$', '^.*\-instance\-.*$']
+        regexes = [r'^.*\-instance\-[0-9]+$', r'^.*\-instance\-.*$']
         for regex in regexes:
             params = {'name': regex}
             body = self.client.list_servers(**params)
diff --git a/tempest/api/network/admin/test_negative_quotas.py b/tempest/api/network/admin/test_negative_quotas.py
index 6849653..e79f8c3 100644
--- a/tempest/api/network/admin/test_negative_quotas.py
+++ b/tempest/api/network/admin/test_negative_quotas.py
@@ -59,7 +59,7 @@
         # Try to create a third network while the quota is two
         with self.assertRaisesRegex(
                 lib_exc.Conflict,
-                "Quota exceeded for resources: \['network'\].*"):
+                r"Quota exceeded for resources: \['network'\].*"):
             n3 = self.networks_client.create_network()
             self.addCleanup(self.networks_client.delete_network,
                             n3['network']['id'])
diff --git a/tempest/cmd/account_generator.py b/tempest/cmd/account_generator.py
index 1c671ec..9be8ee2 100755
--- a/tempest/cmd/account_generator.py
+++ b/tempest/cmd/account_generator.py
@@ -311,5 +311,6 @@
         resources.extend(generate_resources(cred_provider, opts.admin))
     dump_accounts(resources, opts.identity_version, opts.accounts)
 
+
 if __name__ == "__main__":
     main()
diff --git a/tempest/cmd/init.py b/tempest/cmd/init.py
index 84c8631..d84f3a3 100644
--- a/tempest/cmd/init.py
+++ b/tempest/cmd/init.py
@@ -26,7 +26,7 @@
 
 LOG = logging.getLogger(__name__)
 
-STESTR_CONF = """[DEFAULT]
+STESTR_CONF = r"""[DEFAULT]
 test_path=%s
 top_dir=%s
 group_regex=([^\.]*\.)*
diff --git a/tempest/cmd/subunit_describe_calls.py b/tempest/cmd/subunit_describe_calls.py
index a4402fe..8dcf575 100644
--- a/tempest/cmd/subunit_describe_calls.py
+++ b/tempest/cmd/subunit_describe_calls.py
@@ -95,7 +95,7 @@
     ip_re = re.compile(r'(^|[^0-9])[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]'
                        '{1,3}([^0-9]|$)')
     url_re = re.compile(r'.*INFO.*Request \((?P<name>.*)\): (?P<code>[\d]{3}) '
-                        '(?P<verb>\w*) (?P<url>.*) .*')
+                        r'(?P<verb>\w*) (?P<url>.*) .*')
     port_re = re.compile(r'.*:(?P<port>\d+).*')
     path_re = re.compile(r'http[s]?://[^/]*/(?P<path>.*)')
     request_re = re.compile(r'.* Request - Headers: (?P<headers>.*)')
diff --git a/tempest/cmd/verify_tempest_config.py b/tempest/cmd/verify_tempest_config.py
index 15af271..aa333b3 100644
--- a/tempest/cmd/verify_tempest_config.py
+++ b/tempest/cmd/verify_tempest_config.py
@@ -488,5 +488,6 @@
             traceback.print_exc()
             raise
 
+
 if __name__ == "__main__":
     main()
diff --git a/tempest/common/credentials_factory.py b/tempest/common/credentials_factory.py
index 75db155..c6e5dcb 100644
--- a/tempest/common/credentials_factory.py
+++ b/tempest/common/credentials_factory.py
@@ -210,6 +210,7 @@
     except exceptions.InvalidConfiguration:
         return False
 
+
 # === Credentials
 
 # Type of credentials available from configuration
diff --git a/tempest/common/custom_matchers.py b/tempest/common/custom_matchers.py
index ed11b21..c702d88 100644
--- a/tempest/common/custom_matchers.py
+++ b/tempest/common/custom_matchers.py
@@ -225,9 +225,9 @@
             elif key in ('content-type', 'date', 'last-modified',
                          'x-copied-from-last-modified') and not value:
                 return InvalidFormat(key, value)
-            elif key == 'x-timestamp' and not re.match("^\d+\.?\d*\Z", value):
+            elif key == 'x-timestamp' and not re.match(r"^\d+\.?\d*\Z", value):
                 return InvalidFormat(key, value)
-            elif key == 'x-copied-from' and not re.match("\S+/\S+", value):
+            elif key == 'x-copied-from' and not re.match(r"\S+/\S+", value):
                 return InvalidFormat(key, value)
             elif key == 'x-trans-id' and \
                 not re.match("^tx[0-9a-f]{21}-[0-9a-f]{10}.*", value):
diff --git a/tempest/common/utils/__init__.py b/tempest/common/utils/__init__.py
index 225a713..167bf5b 100644
--- a/tempest/common/utils/__init__.py
+++ b/tempest/common/utils/__init__.py
@@ -40,6 +40,7 @@
         self.__dict__[attr] = attr_obj
         return attr_obj
 
+
 data_utils = DataUtils()
 
 
diff --git a/tempest/hacking/checks.py b/tempest/hacking/checks.py
index b6e7f8c..a57a360 100644
--- a/tempest/hacking/checks.py
+++ b/tempest/hacking/checks.py
@@ -287,10 +287,10 @@
     if pep8.noqa(physical_line):
         return
 
-    if not re.match('class .*Test.*\(.*Admin.*\):', logical_line):
+    if not re.match(r'class .*Test.*\(.*Admin.*\):', logical_line):
         return
 
-    if not re.match('.\/tempest\/api\/.*\/admin\/.*', filename):
+    if not re.match(r'.\/tempest\/api\/.*\/admin\/.*', filename):
         msg = 'T115: All admin tests should exist under admin path.'
         yield(0, msg)
 
diff --git a/tempest/lib/api_schema/response/compute/v2_1/flavors.py b/tempest/lib/api_schema/response/compute/v2_1/flavors.py
index af5e67f..43e80cc 100644
--- a/tempest/lib/api_schema/response/compute/v2_1/flavors.py
+++ b/tempest/lib/api_schema/response/compute/v2_1/flavors.py
@@ -82,10 +82,6 @@
     }
 }
 
-unset_flavor_extra_specs = {
-    'status_code': [200]
-}
-
 create_update_get_flavor_details = {
     'status_code': [200],
     'response_body': {
diff --git a/tempest/lib/api_schema/response/compute/v2_1/flavors_extra_specs.py b/tempest/lib/api_schema/response/compute/v2_1/flavors_extra_specs.py
index a438d48..3aa1eda 100644
--- a/tempest/lib/api_schema/response/compute/v2_1/flavors_extra_specs.py
+++ b/tempest/lib/api_schema/response/compute/v2_1/flavors_extra_specs.py
@@ -20,7 +20,7 @@
             'extra_specs': {
                 'type': 'object',
                 'patternProperties': {
-                    '^[a-zA-Z0-9_\-\. :]+$': {'type': 'string'}
+                    r'^[a-zA-Z0-9_\-\. :]+$': {'type': 'string'}
                 }
             }
         },
@@ -29,12 +29,16 @@
     }
 }
 
+unset_flavor_extra_specs = {
+    'status_code': [200]
+}
+
 set_get_flavor_extra_specs_key = {
     'status_code': [200],
     'response_body': {
         'type': 'object',
         'patternProperties': {
-            '^[a-zA-Z0-9_\-\. :]+$': {'type': 'string'}
+            r'^[a-zA-Z0-9_\-\. :]+$': {'type': 'string'}
         }
     }
 }
diff --git a/tempest/lib/api_schema/response/compute/v2_47/servers.py b/tempest/lib/api_schema/response/compute/v2_47/servers.py
index 935be70..5d6d4c3 100644
--- a/tempest/lib/api_schema/response/compute/v2_47/servers.py
+++ b/tempest/lib/api_schema/response/compute/v2_47/servers.py
@@ -26,7 +26,7 @@
         'extra_specs': {
             'type': 'object',
             'patternProperties': {
-                '^[a-zA-Z0-9_\-\. :]+$': {'type': 'string'}
+                r'^[a-zA-Z0-9_\-\. :]+$': {'type': 'string'}
             }
         }
     },
diff --git a/tempest/lib/cli/output_parser.py b/tempest/lib/cli/output_parser.py
index a7d5e49..45d41c7 100644
--- a/tempest/lib/cli/output_parser.py
+++ b/tempest/lib/cli/output_parser.py
@@ -25,7 +25,7 @@
 LOG = logging.getLogger(__name__)
 
 
-delimiter_line = re.compile('^\+\-[\+\-]+\-\+$')
+delimiter_line = re.compile(r'^\+\-[\+\-]+\-\+$')
 
 
 def details_multiple(output_lines, with_label=False):
diff --git a/tempest/lib/cmd/check_uuid.py b/tempest/lib/cmd/check_uuid.py
index d1f0888..82fcd0b 100755
--- a/tempest/lib/cmd/check_uuid.py
+++ b/tempest/lib/cmd/check_uuid.py
@@ -358,5 +358,6 @@
                  "Run 'tox -v -e uuidgen' to automatically fix tests with\n"
                  "missing @decorators.idempotent_id decorators.")
 
+
 if __name__ == '__main__':
     run()
diff --git a/tempest/lib/services/compute/flavors_client.py b/tempest/lib/services/compute/flavors_client.py
index a699579..2fad0a4 100644
--- a/tempest/lib/services/compute/flavors_client.py
+++ b/tempest/lib/services/compute/flavors_client.py
@@ -205,7 +205,8 @@
         """
         resp, body = self.delete('flavors/%s/os-extra_specs/%s' %
                                  (flavor_id, key))
-        self.validate_response(schema.unset_flavor_extra_specs, resp, body)
+        self.validate_response(schema_extra_specs.unset_flavor_extra_specs,
+                               resp, body)
         return rest_client.ResponseBody(resp, body)
 
     def list_flavor_access(self, flavor_id):
diff --git a/tempest/tests/common/utils/linux/test_remote_client.py b/tempest/tests/common/utils/linux/test_remote_client.py
index 739357b..1f0080f 100644
--- a/tempest/tests/common/utils/linux/test_remote_client.py
+++ b/tempest/tests/common/utils/linux/test_remote_client.py
@@ -77,7 +77,7 @@
 
     def test_write_to_console_special_chars(self):
         self._test_write_to_console_helper(
-            '\`',
+            r'\`',
             'sudo sh -c "echo \\"\\\\\\`\\" >/dev/console"')
         self.conn.write_to_console('$')
         self._assert_exec_called_with(
diff --git a/tempest/tests/fake_config.py b/tempest/tests/fake_config.py
index 4a2fff4..be54130 100644
--- a/tempest/tests/fake_config.py
+++ b/tempest/tests/fake_config.py
@@ -59,6 +59,7 @@
         self._set_attrs()
         self.lock_path = cfg.CONF.oslo_concurrency.lock_path
 
+
 fake_service1_group = cfg.OptGroup(name='fake-service1', title='Fake service1')
 
 FakeService1Group = [
diff --git a/tempest/tests/lib/common/utils/test_data_utils.py b/tempest/tests/lib/common/utils/test_data_utils.py
index b8385b2..a0267d0 100644
--- a/tempest/tests/lib/common/utils/test_data_utils.py
+++ b/tempest/tests/lib/common/utils/test_data_utils.py
@@ -88,7 +88,7 @@
     def test_rand_url(self):
         actual = data_utils.rand_url()
         self.assertIsInstance(actual, str)
-        self.assertRegex(actual, "^https://url-[0-9]*\.com$")
+        self.assertRegex(actual, r"^https://url-[0-9]*\.com$")
         actual2 = data_utils.rand_url()
         self.assertNotEqual(actual, actual2)
 
diff --git a/tempest/tests/test_list_tests.py b/tempest/tests/test_list_tests.py
index 4af7463..1cc9c9a 100644
--- a/tempest/tests/test_list_tests.py
+++ b/tempest/tests/test_list_tests.py
@@ -34,7 +34,7 @@
                          "error on import %s" % ids)
         ids = six.text_type(ids).split('\n')
         for test_id in ids:
-            if re.match('(\w+\.){3}\w+', test_id):
+            if re.match(r'(\w+\.){3}\w+', test_id):
                 if not test_id.startswith('tempest.'):
                     parts = test_id.partition('tempest')
                     fail_id = parts[1] + parts[2]
diff --git a/tools/check_logs.py b/tools/check_logs.py
index b80ccc0..de7e41d 100755
--- a/tools/check_logs.py
+++ b/tools/check_logs.py
@@ -96,7 +96,7 @@
 def collect_url_logs(url):
     page = urlreq.urlopen(url)
     content = page.read()
-    logs = re.findall('(screen-[\w-]+\.txt\.gz)</a>', content)
+    logs = re.findall(r'(screen-[\w-]+\.txt\.gz)</a>', content)
     return logs
 
 
@@ -162,6 +162,7 @@
     print("ok")
     return 0
 
+
 usage = """
 Find non-white-listed log errors in log files from a devstack-gate run.
 Log files will be searched for ERROR or CRITICAL messages. If any
diff --git a/tools/generate-tempest-plugins-list.py b/tools/generate-tempest-plugins-list.py
index bbb9019..4eb78fb 100644
--- a/tools/generate-tempest-plugins-list.py
+++ b/tools/generate-tempest-plugins-list.py
@@ -63,12 +63,13 @@
     except HTTPError as err:
         if err.code == 404:
             return False
-    p = re.compile('^tempest\.test_plugins', re.M)
+    p = re.compile(r'^tempest\.test_plugins', re.M)
     if p.findall(r.read().decode('utf-8')):
         return True
     else:
         False
 
+
 r = urllib.urlopen(url)
 # Gerrit prepends 4 garbage octets to the JSON, in order to counter
 # cross-site scripting attacks.  Therefore we must discard it so the