1 files changed, 2 insertions, 4 deletions
diff --git a/synapse/replication/tcp/streams/events.py b/synapse/replication/tcp/streams/events.py
index f370390331..16c63ff4ec 100644
--- a/synapse/replication/tcp/streams/events.py
+++ b/synapse/replication/tcp/streams/events.py
@@ -13,16 +13,14 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-
 import heapq
-from collections import Iterable
+from collections.abc import Iterable
 from typing import List, Tuple, Type
 
 import attr
 
 from ._base import Stream, StreamUpdateResult, Token, current_token_without_instance
 
-
 """Handling of the 'events' replication stream
 
 This stream contains rows of various types. Each row therefore contains a 'type'
@@ -64,7 +62,7 @@ class BaseEventsStreamRow(object):
     Specifies how to identify, serialize and deserialize the different types.
     """
 
-    # Unique string that ids the type. Must be overriden in sub classes.
+    # Unique string that ids the type. Must be overridden in sub classes.
     TypeId = None  # type: str
 
     @classmethod