diff -Nru netplan.io-0.40.1/debian/changelog netplan.io-0.40.2/debian/changelog
--- netplan.io-0.40.1/debian/changelog	2018-10-04 16:05:49.000000000 +0000
+++ netplan.io-0.40.2/debian/changelog	2018-10-04 20:02:53.000000000 +0000
@@ -1,3 +1,9 @@
+netplan.io (0.40.2) cosmic; urgency=medium
+
+  * tests/integration.py: Mark regexes with r to pacify pycodestyle's W605.
+
+ -- Mathieu Trudel-Lapierre <cyphermox@ubuntu.com>  Thu, 04 Oct 2018 16:02:53 -0400
+
 netplan.io (0.40.1) cosmic; urgency=medium
 
   * tests/generate.py: use random.sample() instead of random.choices() to
diff -Nru netplan.io-0.40.1/tests/integration.py netplan.io-0.40.2/tests/integration.py
--- netplan.io-0.40.1/tests/integration.py	2018-10-04 16:05:43.000000000 +0000
+++ netplan.io-0.40.2/tests/integration.py	2018-10-04 19:59:22.000000000 +0000
@@ -64,7 +64,7 @@
 
         # set regulatory domain "EU", so that we can use 80211.a 5 GHz channels
         out = subprocess.check_output(['iw', 'reg', 'get'], universal_newlines=True)
-        m = re.match('^(?:global\n)?country (\S+):', out)
+        m = re.match(r'^(?:global\n)?country (\S+):', out)
         assert m
         klass.orig_country = m.group(1)
         subprocess.check_call(['iw', 'reg', 'set', 'EU'])
@@ -425,7 +425,7 @@
         expected_state = (self.backend == 'NetworkManager') and 'connected' or 'unmanaged'
         out = subprocess.check_output(['nmcli', 'dev'], universal_newlines=True)
         for i in [self.dev_e_client, self.dev_e2_client, 'mybr']:
-            self.assertRegex(out, '%s\s+(ethernet|bridge)\s+%s' % (i, expected_state))
+            self.assertRegex(out, r'%s\s+(ethernet|bridge)\s+%s' % (i, expected_state))
 
     def test_eth_mtu(self):
         self.setup_eth(None)
@@ -1090,7 +1090,7 @@
         expected_state = (self.backend == 'NetworkManager') and 'connected' or 'unmanaged'
         out = subprocess.check_output(['nmcli', 'dev'], universal_newlines=True)
         for i in [self.dev_e_client, self.dev_e2_client]:
-            self.assertRegex(out, '%s\s+(ethernet|bridge)\s+%s' % (i, expected_state))
+            self.assertRegex(out, r'%s\s+(ethernet|bridge)\s+%s' % (i, expected_state))
 
         with open('/etc/resolv.conf') as f:
                 resolv_conf = f.read()