Initial: Standalone mixer app with MixerPage, scene management, WS proxy

backend/venv/lib/python3.11/site-packages/websockets/connection.py

@@ -0,0 +1,13 @@
+from __future__ import annotations
+
+import warnings
+
+# lazy_import doesn't support this use case.
+from .protocol import SEND_EOF, Protocol as Connection, Side, State  # noqa: F401
+
+
+warnings.warn(
+    "websockets.connection was renamed to websockets.protocol "
+    "and Connection was renamed to Protocol",
+    DeprecationWarning,
+)