diff --git a/synapse/handlers/appservice.py b/synapse/handlers/appservice.py
index d7bc4e23ed..177310f0be 100644
--- a/synapse/handlers/appservice.py
+++ b/synapse/handlers/appservice.py
@@ -12,7 +12,7 @@
# See the License for the specific language governing permissions and
# limitations under the License.
import logging
-from typing import TYPE_CHECKING, Dict, List, Optional, Union
+from typing import TYPE_CHECKING, Collection, Dict, List, Optional, Union
from prometheus_client import Counter
@@ -33,7 +33,7 @@ from synapse.metrics.background_process_metrics import (
wrap_as_background_process,
)
from synapse.storage.databases.main.directory import RoomAliasMapping
-from synapse.types import Collection, JsonDict, RoomAlias, RoomStreamToken, UserID
+from synapse.types import JsonDict, RoomAlias, RoomStreamToken, UserID
from synapse.util.metrics import Measure
if TYPE_CHECKING:
diff --git a/synapse/handlers/device.py b/synapse/handlers/device.py
index c1d7800981..34d39e3b44 100644
--- a/synapse/handlers/device.py
+++ b/synapse/handlers/device.py
@@ -14,7 +14,7 @@
# See the License for the specific language governing permissions and
# limitations under the License.
import logging
-from typing import TYPE_CHECKING, Dict, Iterable, List, Optional, Set, Tuple
+from typing import TYPE_CHECKING, Collection, Dict, Iterable, List, Optional, Set, Tuple
from synapse.api import errors
from synapse.api.constants import EventTypes
@@ -28,7 +28,6 @@ from synapse.api.errors import (
from synapse.logging.opentracing import log_kv, set_tag, trace
from synapse.metrics.background_process_metrics import run_as_background_process
from synapse.types import (
- Collection,
JsonDict,
StreamToken,
UserID,
diff --git a/synapse/handlers/presence.py b/synapse/handlers/presence.py
index 598466c9bd..7fd28ffa54 100644
--- a/synapse/handlers/presence.py
+++ b/synapse/handlers/presence.py
@@ -28,6 +28,7 @@ from bisect import bisect
from contextlib import contextmanager
from typing import (
TYPE_CHECKING,
+ Collection,
Dict,
FrozenSet,
Iterable,
@@ -59,7 +60,7 @@ from synapse.replication.tcp.commands import ClearUserSyncsCommand
from synapse.replication.tcp.streams import PresenceFederationStream, PresenceStream
from synapse.state import StateHandler
from synapse.storage.databases.main import DataStore
-from synapse.types import Collection, JsonDict, UserID, get_domain_from_id
+from synapse.types import JsonDict, UserID, get_domain_from_id
from synapse.util.async_helpers import Linearizer
from synapse.util.caches.descriptors import _CacheContext, cached
from synapse.util.metrics import Measure
diff --git a/synapse/handlers/sso.py b/synapse/handlers/sso.py
index 8d00ffdc73..044ff06d84 100644
--- a/synapse/handlers/sso.py
+++ b/synapse/handlers/sso.py
@@ -18,6 +18,7 @@ from typing import (
Any,
Awaitable,
Callable,
+ Collection,
Dict,
Iterable,
List,
@@ -40,7 +41,7 @@ from synapse.handlers.ui_auth import UIAuthSessionDataConstants
from synapse.http import get_request_user_agent
from synapse.http.server import respond_with_html, respond_with_redirect
from synapse.http.site import SynapseRequest
-from synapse.types import Collection, JsonDict, UserID, contains_invalid_mxid_characters
+from synapse.types import JsonDict, UserID, contains_invalid_mxid_characters
from synapse.util.async_helpers import Linearizer
from synapse.util.stringutils import random_string
diff --git a/synapse/handlers/sync.py b/synapse/handlers/sync.py
index dc8ee8cd17..a9a3ee05c3 100644
--- a/synapse/handlers/sync.py
+++ b/synapse/handlers/sync.py
@@ -14,7 +14,17 @@
# limitations under the License.
import itertools
import logging
-from typing import TYPE_CHECKING, Any, Dict, FrozenSet, List, Optional, Set, Tuple
+from typing import (
+ TYPE_CHECKING,
+ Any,
+ Collection,
+ Dict,
+ FrozenSet,
+ List,
+ Optional,
+ Set,
+ Tuple,
+)
import attr
from prometheus_client import Counter
@@ -28,7 +38,6 @@ from synapse.push.clientformat import format_push_rules_for_user
from synapse.storage.roommember import MemberSummary
from synapse.storage.state import StateFilter
from synapse.types import (
- Collection,
JsonDict,
MutableStateMap,
Requester,
|