Create new session bug

[Rollagit]

Traceback (most recent call last):
File "/root/1/opentele/1.py", line 20, in
asyncio.run(main())
File "/usr/lib/python3.10/asyncio/runners.py", line 44, in run
return loop.run_until_complete(main)
File "/usr/lib/python3.10/asyncio/base_events.py", line 649, in run_until_complete
return future.result()
File "/root/1/opentele/1.py", line 15, in main
tdesk = await client.ToTDesktop(flag=CreateNewSession)
NameError: name 'CreateNewSession' is not defined