I'm getting an OpenAI API Key not configured message - this is my toml: ``` cat ~/.marimo.toml [package_management] manager = "poetry" [keymap] preset = "vim" [completion] activate_on_typing = true copilot = true [experimental] [runtime] auto_instantiate = true [formatting] line_length = 86 [server] browser = "default" [display] code_editor_font_size = 14 theme = "system" cell_output = "above" [save] format_on_save = true autosave_delay = 1000 autosave = "after_delay" [ai.open_ai] api_key = "hidden" model = "gpt-4-0125-preview" base_url = "https://api.openai.com" ``` Any ideas?