[common][model] Ensure sanitizer works on unicode string too

beat/web/common/models.py

@@ -389,7 +389,7 @@ class Versionable(Shareable):
     @staticmethod
     def sanitize_name(name):
         """Makes sure that the name is valid"""
-        return re.sub(r'[\W]', '-', name)
+        return re.sub(r'[^\x00-\x7f]|\W', r'-', name)