runtime error

Exit code: 1. Reason: Traceback (most recent call last): File "/home/user/app/app.py", line 49, in <module> initial_palette = generate_palette([None] * 5) File "/home/user/app/app.py", line 23, in generate_palette base_hue = next((h for h, _, _ in locked_hsl if h is not None), random.random()) File "/home/user/app/app.py", line 23, in <genexpr> base_hue = next((h for h, _, _ in locked_hsl if h is not None), random.random()) TypeError: cannot unpack non-iterable NoneType object

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