Bug#1062039: SyntaxWarning: invalid escape sequence

[Graham Inggs <ginggs@debian.org>]

Control: tags -1 + patch

The patch below was applied in Ubuntu.

--- a/axi/__init__.py
+++ b/axi/__init__.py
@@ -51,8 +51,8 @@
     Read the "/etc/services"-style database of value indices
     """
     try:
-        re_empty = re.compile("^\s*(?:#.*)?$")
-        re_value = re.compile("^(\S+)\s+(\d+)(?:\s*#\s*(.+))?$")
+        re_empty = re.compile(r"^\s*(?:#.*)?$")
+        re_value = re.compile(r"^(\S+)\s+(\d+)(?:\s*#\s*(.+))?$")
         values: dict[str, int] = {}
         descs: dict[str, str] = {}
         for idx, line in enumerate(open(pathname)):