added new module 'chat.py'

chatmastermind/message.py

@@ -247,6 +247,7 @@ class Message():
                       path: pathlib.Path,
                       glob: Optional[str] = None,
                       prefix: Optional[str] = None) -> set[Tag]:
+
         """
         Return only the tags from message files in the given directory.
         The files can be filtered using 'glob', the tags by using 'prefix'.