runtime error

Traceback (most recent call last): File "/home/user/app/app.py", line 2, in <module> import pywhatkit File "/usr/local/lib/python3.10/site-packages/pywhatkit/__init__.py", line 16, in <module> from pywhatkit.whats import ( File "/usr/local/lib/python3.10/site-packages/pywhatkit/whats.py", line 7, in <module> import pyautogui as pg File "/usr/local/lib/python3.10/site-packages/pyautogui/__init__.py", line 246, in <module> import mouseinfo File "/usr/local/lib/python3.10/site-packages/mouseinfo/__init__.py", line 223, in <module> _display = Display(os.environ['DISPLAY']) File "/usr/local/lib/python3.10/os.py", line 680, in __getitem__ raise KeyError(key) from None KeyError: 'DISPLAY'

Container logs: