Update app.py

app.py

@@ -17,7 +17,7 @@ try:
     except Exception:
         raise ImportError
 except Exception:
-    subprocess.check_call([sys.executable, "-m", "pip", "install", "--no-cache-dir", "websockets==12.0"])
+    subprocess.check_call([sys.executable, "-m", "pip", "install", "--no-cache-dir", "websockets==14.0"])
     importlib.invalidate_caches()
     import websockets  # type: ignore
     import websockets.asyncio  # should now exist