Merge pull request #9525 from ThomasWaldmann/remove-backslash-assertion

patterns: allow backslashes in paths, fixes #9518

Author: ThomasWaldmann

src/borg/patterns.py

@@ -295,7 +295,6 @@ def _prepare(self, pattern):
         self.regex = re.compile(pattern)
 
     def _match(self, path):
-        assert "\\" not in path
         return self.regex.search(path) is not None