Stylus dependency causes warning on node 14

[wildhart]

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The stylus dependency referenced by the demo app in this package causes these warnings with node 14:

(node:16968) Warning: Accessing non-existent property 'lineno' of module exports inside circular dependency
(Use `node --trace-warnings ...` to show where the warning was created)
(node:16968) Warning: Accessing non-existent property 'column' of module exports inside circular dependency
(node:16968) Warning: Accessing non-existent property 'filename' of module exports inside circular dependency
(node:16968) Warning: Accessing non-existent property 'lineno' of module exports inside circular dependency
(node:16968) Warning: Accessing non-existent property 'column' of module exports inside circular dependency
(node:16968) Warning: Accessing non-existent property 'filename' of module exports inside circular dependency