patchtest: Use raw strings for regex patterns

This fixes several 'SyntaxWarning: invalid escape sequence' messages
printed when running patchtest.

Cc: Trevor Gamblin <tgamblin@baylibre.com>
(From OE-Core rev: c585977a6b55db93b7f432280ae4251aa9bc6b6c)

Signed-off-by: Paul Barker <paul@pbarker.dev>
Signed-off-by: Mathieu Dubois-Briand <mathieu.dubois-briand@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 2 insertions, 2 deletions

diff --git a/meta/lib/patchtest/tests/test_mbox.py b/meta/lib/patchtest/tests/test_mbox.py
index 714c9b30af..5cf02af7bd 100644
--- a/meta/lib/patchtest/tests/test_mbox.py
+++ b/meta/lib/patchtest/tests/test_mbox.py
@@ -71,7 +71,7 @@ class TestMbox(base.Base):
     def test_shortlog_length(self):
         for commit in self.commits:
             # no reason to re-check on revert shortlogs
-            shortlog = re.sub('^(\[.*?\])+ ', '', commit.shortlog)
+            shortlog = re.sub(r'^(\[.*?\])+ ', '', commit.shortlog)
             if shortlog.startswith('Revert "'):
                 continue
             l = len(shortlog)
@@ -109,7 +109,7 @@ class TestMbox(base.Base):
 
         # a meta project may be indicted in the message subject, if this is the case, just fail
         # TODO: there may be other project with no-meta prefix, we also need to detect these
-        project_regex = pyparsing.Regex("\[(?P<project>meta-.+)\]")
+        project_regex = pyparsing.Regex(r"\[(?P<project>meta-.+)\]")
         for commit in self.commits:
             match = project_regex.search_string(commit.subject)
             if match: