delete websocket in coins(не работает нихуя)

app/realtime/coins_hub.py

@@ -1,53 +0,0 @@
-# app/realtime/coins_hub.py
-from typing import Dict, Set
-from fastapi import WebSocket
-import asyncio
-
-
-class CoinsHub:
-    def __init__(self):
-        # username -> set of websockets
-        self._connections: Dict[str, Set[WebSocket]] = {}
-        self._lock = asyncio.Lock()
-
-    async def connect(self, username: str, ws: WebSocket):
-        await ws.accept()
-        async with self._lock:
-            self._connections.setdefault(username, set()).add(ws)
-
-    async def disconnect(self, username: str, ws: WebSocket):
-        async with self._lock:
-            conns = self._connections.get(username)
-            if not conns:
-                return
-            conns.discard(ws)
-            if not conns:
-                self._connections.pop(username, None)
-
-    async def send_update(self, username: str, coins: int):
-        async with self._lock:
-            conns = list(self._connections.get(username, []))
-
-        if not conns:
-            return
-
-        payload = {
-            "event": "coins:update",
-            "coins": coins,
-        }
-
-        dead: list[WebSocket] = []
-
-        for ws in conns:
-            try:
-                await ws.send_json(payload)
-            except Exception:
-                dead.append(ws)
-
-        if dead:
-            async with self._lock:
-                for ws in dead:
-                    self._connections.get(username, set()).discard(ws)
-
-
-coins_hub = CoinsHub()