diff --git a/synapse/rest/client/models.py b/synapse/rest/client/models.py
index 04c7723b0df4..dcdf01fdf67c 100644
--- a/synapse/rest/client/models.py
+++ b/synapse/rest/client/models.py
@@ -11,7 +11,7 @@
 # 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.
-from typing import TYPE_CHECKING, Dict, Optional, Type
+from typing import TYPE_CHECKING, Dict, Optional
 
 from pydantic import Extra, StrictInt, StrictStr, constr, validator
 
diff --git a/synapse/types.py b/synapse/types.py
index 8542a0dbfcb9..0a32825c72f4 100644
--- a/synapse/types.py
+++ b/synapse/types.py
@@ -934,6 +934,7 @@ class SynapseBaseModel(BaseModel):
     Subclassing in this way is recommended by
     https://pydantic-docs.helpmanual.io/usage/model_config/#change-behaviour-globally
     """
+
     class Config:
         # By default, ignore fields that we don't recognise.
         extra = Extra.ignore