diff --git a/libp2p/transport/websocket/connection.py b/libp2p/transport/websocket/connection.py
index 0322d3fc..372d8d03 100644
--- a/libp2p/transport/websocket/connection.py
+++ b/libp2p/transport/websocket/connection.py
@@ -13,12 +13,17 @@ class P2PWebSocketConnection(ReadWriteCloser):
     """
     Wraps a WebSocketConnection to provide the raw stream interface
     that libp2p protocols expect.
-    
+
     Implements production-ready buffer management and flow control
     as recommended in the libp2p WebSocket specification.
     """
 
-    def __init__(self, ws_connection: Any, ws_context: Any = None, max_buffered_amount: int = 4 * 1024 * 1024) -> None:
+    def __init__(
+        self,
+        ws_connection: Any,
+        ws_context: Any = None,
+        max_buffered_amount: int = 4 * 1024 * 1024,
+    ) -> None:
         self._ws_connection = ws_connection
         self._ws_context = ws_context
         self._read_buffer = b""
@@ -31,23 +36,24 @@ class P2PWebSocketConnection(ReadWriteCloser):
         """Write data with flow control and buffer management"""
         if self._closed:
             raise IOException("Connection is closed")
-            
+
         async with self._write_lock:
             try:
                 logger.debug(f"WebSocket writing {len(data)} bytes")
-                
+
                 # Check buffer amount for flow control
-                if hasattr(self._ws_connection, 'bufferedAmount'):
+                if hasattr(self._ws_connection, "bufferedAmount"):
                     buffered = self._ws_connection.bufferedAmount
                     if buffered > self._max_buffered_amount:
                         logger.warning(f"WebSocket buffer full: {buffered} bytes")
-                        # In production, you might want to wait or implement backpressure
+                        # In production, you might want to
+                        # wait or implement backpressure
                         # For now, we'll continue but log the warning
-                
+
                 # Send as a binary WebSocket message
                 await self._ws_connection.send_message(data)
                 logger.debug(f"WebSocket wrote {len(data)} bytes successfully")
-                
+
             except Exception as e:
                 logger.error(f"WebSocket write failed: {e}")
                 self._closed = True
@@ -147,7 +153,7 @@ class P2PWebSocketConnection(ReadWriteCloser):
         """Close the WebSocket connection with proper cleanup"""
         if self._closed:
             return
-            
+
         self._closed = True
         try:
             # Close the WebSocket connection
@@ -157,7 +163,7 @@ class P2PWebSocketConnection(ReadWriteCloser):
                 await self._ws_context.__aexit__(None, None, None)
         except Exception as e:
             logger.error(f"Error closing WebSocket connection: {e}")
-    
+
     def is_closed(self) -> bool:
         """Check if the connection is closed"""
         return self._closed
diff --git a/libp2p/transport/websocket/transport.py b/libp2p/transport/websocket/transport.py
index 0d35f231..a8329bbc 100644
--- a/libp2p/transport/websocket/transport.py
+++ b/libp2p/transport/websocket/transport.py
@@ -17,7 +17,7 @@ logger = logging.getLogger(__name__)
 class WebsocketTransport(ITransport):
     """
     Libp2p WebSocket transport: dial and listen on /ip4/.../tcp/.../ws
-    
+
     Implements production-ready WebSocket transport with:
     - Flow control and buffer management
     - Connection limits and rate limiting
@@ -25,7 +25,9 @@ class WebsocketTransport(ITransport):
     - Support for both WS and WSS protocols
     """
 
-    def __init__(self, upgrader: TransportUpgrader, max_buffered_amount: int = 4 * 1024 * 1024):
+    def __init__(
+        self, upgrader: TransportUpgrader, max_buffered_amount: int = 4 * 1024 * 1024
+    ):
         self._upgrader = upgrader
         self._max_buffered_amount = max_buffered_amount
         self._connection_count = 0
@@ -57,21 +59,21 @@ class WebsocketTransport(ITransport):
 
             # Check connection limits
             if self._connection_count >= self._max_connections:
-                raise OpenConnectionError(f"Maximum connections reached: {self._max_connections}")
+                raise OpenConnectionError(
+                    f"Maximum connections reached: {self._max_connections}"
+                )
 
             # Use the context manager but don't exit it immediately
             # The connection will be closed when the RawConnection is closed
             ws_context = open_websocket_url(ws_url)
             ws = await ws_context.__aenter__()
             conn = P2PWebSocketConnection(
-                ws, 
-                ws_context, 
-                max_buffered_amount=self._max_buffered_amount
+                ws, ws_context, max_buffered_amount=self._max_buffered_amount
             )  # type: ignore[attr-defined]
-            
+
             self._connection_count += 1
-            logger.debug(f"WebSocket connection established. Total connections: {self._connection_count}")
-            
+            logger.debug(f"Total connections: {self._connection_count}")
+
             return RawConnection(conn, initiator=True)
         except Exception as e:
             logger.error(f"Failed to dial WebSocket {maddr}: {e}")
diff --git a/tests/interop/test_js_ws_ping.py b/tests/interop/test_js_ws_ping.py
index 4be54990..fee251d4 100644
--- a/tests/interop/test_js_ws_ping.py
+++ b/tests/interop/test_js_ws_ping.py
@@ -16,8 +16,6 @@ from libp2p.peer.id import ID
 from libp2p.peer.peerinfo import PeerInfo
 from libp2p.peer.peerstore import PeerStore
 from libp2p.security.insecure.transport import InsecureTransport
-from libp2p.security.noise.transport import Transport as NoiseTransport
-from libp2p.crypto.ed25519 import create_new_key_pair as create_ed25519_key_pair
 from libp2p.stream_muxer.yamux.yamux import Yamux
 from libp2p.transport.upgrader import TransportUpgrader
 from libp2p.transport.websocket.transport import WebsocketTransport