error in sudo systemctl status tronbot

[elaheh4]

when i run sudo systemctl status tronbot
i have this error

● tronbot.service - TronBot service
   Loaded: loaded (/etc/systemd/system/tronbot.service; enabled; vendor preset: disabled)
   Active: failed (Result: exit-code) since Tue 2021-05-25 03:51:20 +0430; 49s ago
 Main PID: 9469 (code=exited, status=1/FAILURE)

May 25 03:51:20 cpanel.mydomain.com python3.6[9469]: File "/usr/local/lib/python3.6/site-packages/tronapi/common/encoding.py", line 14, in <module>
May 25 03:51:20 cpanel.mydomain.com python3.6[9469]: from trx_utils import (
May 25 03:51:20 cpanel.mydomain.com python3.6[9469]: File "/usr/local/lib/python3.6/site-packages/trx_utils/__init__.py", line 21, in <module>
May 25 03:51:20 cpanel.mydomain.com python3.6[9469]: from .address import (  # noqa: F401
May 25 03:51:20 cpanel.mydomain.com python3.6[9469]: File "/usr/local/lib/python3.6/site-packages/trx_utils/address.py", line 4, in <module>
May 25 03:51:20 cpanel.mydomain.com python3.6[9469]: from _sha256 import sha256
May 25 03:51:20 cpanel.mydomain.com python3.6[9469]: ModuleNotFoundError: No module named '_sha256'
May 25 03:51:20 cpanel.mydomain.com systemd[1]: tronbot.service: main process exited, code=exited, status=1/FAILURE
May 25 03:51:20 cpanel.mydomain.com systemd[1]: Unit tronbot.service entered failed state.
May 25 03:51:20 cpanel.mydomain.com systemd[1]: tronbot.service failed.

how can i fix this?