runtime error

Exit code: 1. Reason: Traceback (most recent call last): File "/home/user/app/app.py", line 209, in <module> main() File "/home/user/app/app.py", line 204, in main root = tk.Tk() File "/usr/local/lib/python3.10/tkinter/__init__.py", line 2299, in __init__ self.tk = _tkinter.create(screenName, baseName, className, interactive, wantobjects, useTk, sync, use) _tkinter.TclError: no display name and no $DISPLAY environment variable

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