1 files changed, 4 insertions, 2 deletions
diff --git a/synapse/federation/sender/transaction_manager.py b/synapse/federation/sender/transaction_manager.py
index 3c2a02a3b3..a2752a54a5 100644
--- a/synapse/federation/sender/transaction_manager.py
+++ b/synapse/federation/sender/transaction_manager.py
@@ -13,11 +13,10 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 import logging
-from typing import List
+from typing import TYPE_CHECKING, List
 
 from canonicaljson import json
 
-import synapse.server
 from synapse.api.errors import HttpResponseException
 from synapse.events import EventBase
 from synapse.federation.persistence import TransactionActions
@@ -31,6 +30,9 @@ from synapse.logging.opentracing import (
 )
 from synapse.util.metrics import measure_func
 
+if TYPE_CHECKING:
+    import synapse.server
+
 logger = logging.getLogger(__name__)