--- a/incoming.py	Mon Apr 13 00:11:33 2020 +0800
+++ b/incoming.py	Mon Apr 13 00:25:26 2020 +0800
@@ -109,17 +109,17 @@
 
             rest = line[len(meta_prefix):]
 
-            m = re.match('^task: (\w+)$', rest)
+            m = re.match(r'^task: (\w+)$', rest)
             if m is not None:
                 state = m.group(1)
                 item['cls'] = 'task'
 
-            m = re.match('^job failed', rest)
+            m = re.match(r'^job failed', rest)
             if m is not None:
                 success = False
                 item['cls'] = 'failure'
 
-            m = re.match('^job (started|finished): ([\dT:+-]+)$', rest)
+            m = re.match(r'^job (started|finished): ([\dT:+-]+)$', rest)
             if m is not None:
                 if m.group(1) == 'started':
                     started = parse_timestamp(m.group(2))
@@ -127,32 +127,32 @@
                     finished = parse_timestamp(m.group(2))
                 state = None
 
-            m = re.match('^project URL: (\S+)$', rest)
+            m = re.match(r'^project URL: (\S+)$', rest)
             if m is not None:
                 url = m.group(1)
 
-            m = re.match('^commit: (?:(\d+):)?(\w+)$', rest)
+            m = re.match(r'^commit: (?:(\d+):)?(\w+)$', rest)
             if m is not None:
                 rev = m.group(1)
                 node = m.group(2)
 
-            m = re.match('^commit branch: (.+)$', rest)
+            m = re.match(r'^commit branch: (.+)$', rest)
             if m is not None:
                 branch = m.group(1)
 
-            m = re.match('^commit ref names:.* HEAD -> (\S+)(, |$)', rest)
+            m = re.match(r'^commit ref names:.* HEAD -> (\S+)(, |$)', rest)
             if m is not None:
                 branch = m.group(1)
 
-            m = re.match('^commit date: (.+)$', rest)
+            m = re.match(r'^commit date: (.+)$', rest)
             if m is not None:
                 date = m.group(1)
 
-            m = re.match('^commit author: (.+)$', rest)
+            m = re.match(r'^commit author: (.+)$', rest)
             if m is not None:
                 author = m.group(1)
 
-            m = re.match('^commit message: (.+)$', rest)
+            m = re.match(r'^commit message: (.+)$', rest)
             if m is not None:
                 message = m.group(1)