[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

tests/test_async.py

@@ -16,7 +16,7 @@ async def test_context():
     context = zmq.Context()
     a, b = Socket(context, zmq.PAIR), Socket(context, zmq.PAIR)
     port = a.bind_to_random_port("tcp://127.0.0.1")
-    b.connect(f'tcp://127.0.0.1:{port}')
+    b.connect(f"tcp://127.0.0.1:{port}")
     a.send(b"Hello")
     assert b.recv() == b"Hello"
     async with a, b:
@@ -35,8 +35,8 @@ async def test_context():
 #     assert KM is not None
 #     KC.stop_channels()
 #     KM.shutdown_kernel(now=True)
-# 
-# 
+#
+#
 # def test_async_await():
 #     flush_channels(KC)
 #     msg_id, content = execute("import asyncio; await asyncio.sleep(0.1)", KC)