a begin that works

venv/lib/python3.12/site-packages/aiohttp/_websocket/reader.py

@@ -0,0 +1,31 @@
+"""Reader for WebSocket protocol versions 13 and 8."""
+
+from typing import TYPE_CHECKING
+
+from ..helpers import NO_EXTENSIONS
+
+if TYPE_CHECKING or NO_EXTENSIONS:  # pragma: no cover
+    from .reader_py import (
+        WebSocketDataQueue as WebSocketDataQueuePython,
+        WebSocketReader as WebSocketReaderPython,
+    )
+
+    WebSocketReader = WebSocketReaderPython
+    WebSocketDataQueue = WebSocketDataQueuePython
+else:
+    try:
+        from .reader_c import (  # type: ignore[import-not-found]
+            WebSocketDataQueue as WebSocketDataQueueCython,
+            WebSocketReader as WebSocketReaderCython,
+        )
+
+        WebSocketReader = WebSocketReaderCython
+        WebSocketDataQueue = WebSocketDataQueueCython
+    except ImportError:  # pragma: no cover
+        from .reader_py import (
+            WebSocketDataQueue as WebSocketDataQueuePython,
+            WebSocketReader as WebSocketReaderPython,
+        )
+
+        WebSocketReader = WebSocketReaderPython
+        WebSocketDataQueue = WebSocketDataQueuePython