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