[python] stream not found

https://natsbyexample.com/examples/jetstream/limits-stream/python#output
```
[1A[?25l[+] Creating 2/0
✔ Network 263e8d57_default Created0.1s 
✔ Container 263e8d57-nats-1 Created0.0s 
[?25h[?25l[+] Running 0/0

[?25h[?25l[+] Running 1/1
✔ Container 263e8d57-nats-1 Started0.3s 
[?25hTraceback (most recent call last):
File "//main.py", line 74, in
asyncio.run(main())
File "/usr/local/lib/python3.10/asyncio/runners.py", line 44, in run
return loop.run_until_complete(main)
File "/usr/local/lib/python3.10/asyncio/base_events.py", line 649, in run_until_complete
return future.result()
File "//main.py", line 22, in main
await js.delete_stream('events')
File "/usr/local/lib/python3.10/site-packages/nats/js/manager.py", line 120, in delete_stream
resp = await self._api_request(
File "/usr/local/lib/python3.10/site-packages/nats/js/manager.py", line 362, in _api_request
raise APIError.from_error(resp['error'])
File "/usr/local/lib/python3.10/site-packages/nats/js/errors.py", line 84, in from_error
raise NotFoundError(**err)
nats.js.errors.NotFoundError: nats: NotFoundError: code=404 err_code=10059 description='stream not found'
exit status 1
```