diff --git a/synapse/events/utils.py b/synapse/events/utils.py
index f8d3ba5456..a6c48308b3 100644
--- a/synapse/events/utils.py
+++ b/synapse/events/utils.py
@@ -27,7 +27,6 @@ from typing import (
)
import attr
-from frozendict import frozendict
from synapse.api.constants import EventContentFields, EventTypes, RelationTypes
from synapse.api.errors import Codes, SynapseError
@@ -204,7 +203,9 @@ def _copy_field(src: JsonDict, dst: JsonDict, field: List[str]) -> None:
key_to_move = field.pop(-1)
sub_dict = src
for sub_field in field: # e.g. sub_field => "content"
- if sub_field in sub_dict and type(sub_dict[sub_field]) in [dict, frozendict]:
+ if sub_field in sub_dict and isinstance(
+ sub_dict[sub_field], collections.abc.Mapping
+ ):
sub_dict = sub_dict[sub_field]
else:
return
@@ -622,7 +623,7 @@ def validate_canonicaljson(value: Any) -> None:
# Note that Infinity, -Infinity, and NaN are also considered floats.
raise SynapseError(400, "Bad JSON value: float", Codes.BAD_JSON)
- elif isinstance(value, (dict, frozendict)):
+ elif isinstance(value, collections.abc.Mapping):
for v in value.values():
validate_canonicaljson(v)
|
