runtime error

Exit code: 1. Reason: Traceback (most recent call last): File "/app/app.py", line 911, in <module> App().mainloop() File "/app/app.py", line 309, in __init__ super().__init__() File "/usr/local/lib/python3.9/tkinter/__init__.py", line 2270, in __init__ self.tk = _tkinter.create(screenName, baseName, className, interactive, wantobjects, useTk, sync, use) _tkinter.TclError: no display name and no $DISPLAY environment variable

Container logs: