diff --git a/edb/server/connpool/pool.py b/edb/server/connpool/pool.py
index 8f424cae3dd2..d767bc231f44 100644
--- a/edb/server/connpool/pool.py
+++ b/edb/server/connpool/pool.py
@@ -539,7 +539,8 @@ async def _connect(
                 # 3D000 - INVALID CATALOG NAME, database does not exist
                 # Skip retry and propagate the error immediately
                 if block.connect_failures_num <= config.CONNECT_FAILURE_RETRIES:
-                    block.connect_failures_num = config.CONNECT_FAILURE_RETRIES + 1
+                    block.connect_failures_num = (
+                        config.CONNECT_FAILURE_RETRIES + 1)
 
             if block.connect_failures_num > config.CONNECT_FAILURE_RETRIES:
                 # Abort all waiters on this block and propagate the error, as
diff --git a/tests/test_server_pool.py b/tests/test_server_pool.py
index d16facf8de27..6148615760fa 100644
--- a/tests/test_server_pool.py
+++ b/tests/test_server_pool.py
@@ -1496,7 +1496,8 @@ async def main():
 
         asyncio.run(main())
 
-    @unittest.mock.patch('edb.server.connpool.config.CONNECT_FAILURE_RETRIES', 2)
+    @unittest.mock.patch('edb.server.connpool.config.CONNECT_FAILURE_RETRIES',
+                         2)
     def test_connpool_connect_error(self):
         from edb.server.pgcon import errors
 
@@ -1511,7 +1512,8 @@ class ConnectError(Exception):
 
         self._test_connpool_connect_error(ConnectError, 3)
 
-    @unittest.mock.patch('edb.server.connpool.config.CONNECT_FAILURE_RETRIES', 0)
+    @unittest.mock.patch('edb.server.connpool.config.CONNECT_FAILURE_RETRIES',
+                         0)
     def test_connpool_connect_error_zero_retry(self):
         class ConnectError(Exception):
             pass
@@ -1521,7 +1523,8 @@ class ConnectError(Exception):
     @unittest.mock.patch('edb.server.connpool.pool.logger',
                          new_callable=MockLogger)
     @unittest.mock.patch('edb.server.connpool.config.MIN_LOG_TIME_THRESHOLD', 0)
-    @unittest.mock.patch('edb.server.connpool.config.CONNECT_FAILURE_RETRIES', 5)
+    @unittest.mock.patch('edb.server.connpool.config.CONNECT_FAILURE_RETRIES',
+                         5)
     def test_connpool_steal_connect_error(self, logger: MockLogger):
         count = 0
         connect = self.make_fake_connect()