Error while creating ton Wallet

<TonTools.Contracts.Wallet.Wallet object at 0x7fe02fed1580>
Tonlib #2 crashed: Traceback (most recent call last):
File "/root/myflaskapp2/venv/lib/python3.8/site-packages/ton/tonlibjson.py", line 222, in read_results
result = await asyncio.wait_for(self.loop.run_in_executor(None, receive_func), timeout=timeout)
File "/usr/lib/python3.8/asyncio/tasks.py", line 481, in wait_for
await waiter
asyncio.exceptions.CancelledError