bitbake: bitbake: Fix Deprecated warnings from regexs

Fix handling of escape characters in regexs and hence fix python
Deprecation warnings which will be problematic in python 3.8.

(Bitbake rev: c1fcc46e2498ddd41425d8756754f814d682aba3)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 2 insertions, 2 deletions

diff --git a/bitbake/lib/bb/fetch2/git.py b/bitbake/lib/bb/fetch2/git.py
index 59a2ee8f80..c3c089233b 100644
--- a/bitbake/lib/bb/fetch2/git.py
+++ b/bitbake/lib/bb/fetch2/git.py
@@ -615,7 +615,7 @@ class Git(FetchMethod):
         """
         pupver = ('', '')
 
-        tagregex = re.compile(d.getVar('UPSTREAM_CHECK_GITTAGREGEX') or "(?P<pver>([0-9][\.|_]?)+)")
+        tagregex = re.compile(d.getVar('UPSTREAM_CHECK_GITTAGREGEX') or r"(?P<pver>([0-9][\.|_]?)+)")
         try:
             output = self._lsremote(ud, d, "refs/tags/*")
         except (bb.fetch2.FetchError, bb.fetch2.NetworkAccess) as e:
@@ -630,7 +630,7 @@ class Git(FetchMethod):
 
             tag_head = line.split("/")[-1]
             # Ignore non-released branches
-            m = re.search("(alpha|beta|rc|final)+", tag_head)
+            m = re.search(r"(alpha|beta|rc|final)+", tag_head)
             if m:
                 continue