1 files changed, 2 insertions, 6 deletions
diff --git a/synapse/storage/database.py b/synapse/storage/database.py
index f5fb1a33de..7f94cb00d6 100644
--- a/synapse/storage/database.py
+++ b/synapse/storage/database.py
@@ -19,7 +19,6 @@ from collections import defaultdict
 from sys import intern
 from time import monotonic as monotonic_time
 from typing import (
-    TYPE_CHECKING,
     Any,
     Callable,
     Collection,
@@ -53,9 +52,6 @@ from synapse.storage.background_updates import BackgroundUpdater
 from synapse.storage.engines import BaseDatabaseEngine, PostgresEngine, Sqlite3Engine
 from synapse.storage.types import Connection, Cursor
 
-if TYPE_CHECKING:
-    from psycopg2.extensions import ConnectionInfo
-
 # python 3 does not have a maximum int value
 MAX_TXN_ID = 2 ** 63 - 1
 
@@ -435,9 +431,9 @@ class DatabasePool:
         # We store the connection info for later use when using postgres
         # (primarily to allow things like the state auto compressor to connect
         # to the DB).
-        self.postgres_connection_info: Optional["ConnectionInfo"] = None
+        self.postgres_connection_info_parameters: Optional[Dict] = None
         if isinstance(self.engine, PostgresEngine):
-            self.postgres_connection_info = db_conn.info
+            self.postgres_connection_info_parameters = db_conn.info.dsn_parameters
 
         if self.engine.can_native_upsert:
             # Check ASAP (and then later, every 1s) to see if we have finished