lint: fix flake8 errors

tests/test_generic_websocket.py

@@ -486,6 +486,7 @@ async def connect(self):
     assert msg["code"] == 4007
     assert msg["reason"] == "test reason"
 
+
 @pytest.mark.django_db
 @pytest.mark.asyncio
 async def test_websocket_receive_with_none_text():
@@ -507,8 +508,15 @@ def receive(self, text_data=None, bytes_data=None):
     connected, _ = await communicator.connect()
     assert connected
 
-    # Simulate Hypercorn behavior (both 'text' and 'bytes' keys present, but 'text' is None)
-    await communicator.send_input({"type": "websocket.receive", "text": None, "bytes": b"test data"})
+    # Simulate Hypercorn behavior
+    # (both 'text' and 'bytes' keys present, but 'text' is None)
+    await communicator.send_input(
+        {
+            "type": "websocket.receive",
+            "text": None,
+            "bytes": b"test data",
+        }
+    )
     response = await communicator.receive_output()
     assert response["type"] == "websocket.send"
     assert response["text"] == "Received bytes of length: 9"
@@ -520,7 +528,9 @@ def receive(self, text_data=None, bytes_data=None):
     assert response["text"] == "Received bytes of length: 9"
 
     # Test with valid text data
-    await communicator.send_input({"type": "websocket.receive", "text": "Hello, world!"})
+    await communicator.send_input(
+        {"type": "websocket.receive", "text": "Hello, world!"}
+    )
     response = await communicator.receive_output()
     assert response["type"] == "websocket.send"
     assert response["text"] == "Received text: Hello, world!"