Cannot install at the same time as pict3d. (x-post pict3d https://github.com/ntoronto/pict3d)

[LeifAndersen]

When I try to instal this and pict3d at the same time, raco setup gives me the following error:

...
raco setup: WARNING: duplicate tag: (index-entry (mod-path "opengl"))
raco setup:  in: /Users/leif/rsrc/opengl/opengl/manual.scrbl
raco setup:  in: /Users/leif/rsrc/pict3d/typed/opengl/typed-opengl.scrbl
raco setup: WARNING: duplicate tag: (mod-path "opengl")
raco setup:  in: /Users/leif/rsrc/opengl/opengl/manual.scrbl
raco setup:  in: /Users/leif/rsrc/pict3d/typed/opengl/typed-opengl.scrbl
...