Update test.py

test.py

@@ -136,7 +136,9 @@ async def send_chunked_data(websocket: WebSocket, filename: str, data: str):
     chunk_size = 1024  # Set an appropriate chunk size
     for i in range(0, len(data), chunk_size):
         await websocket.send_json({"filename": filename, "data_chunk": data[i:i + chunk_size]})
-        await asyncio.sleep(0.1) 
+        await asyncio.sleep(0.1)
+    await websocket.send_text("FinishedThisAttachment")
+
 
 @app.websocket("/ws")
 async def test_websocket(websocket: WebSocket):