diff options
Diffstat (limited to 'synapse/util/__init__.py')
| -rw-r--r-- | synapse/util/__init__.py | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/synapse/util/__init__.py b/synapse/util/__init__.py index 64daff59df..abf53d149d 100644 --- a/synapse/util/__init__.py +++ b/synapse/util/__init__.py @@ -51,7 +51,10 @@ def _handle_frozendict(obj: Any) -> Dict[Any, Any]: # fishing the protected dict out of the object is a bit nasty, # but we don't really want the overhead of copying the dict. try: - return obj._dict + # Safety: we catch the AttributeError immediately below. + # See https://github.com/matrix-org/python-canonicaljson/issues/36#issuecomment-927816293 + # for discussion on how frozendict's internals have changed over time. + return obj._dict # type: ignore[attr-defined] except AttributeError: # When the C implementation of frozendict is used, # there isn't a `_dict` attribute with a dict |