Lots of "method overwritten" warnings

[rikhuijzer]

WARNING: Method definition is_mime_enabled(Base.Multimedia.MIME{Symbol("application/vnd.pluto.tree+object")}) in module Main at none:3 overwritten on the same line (check for duplicate calls to `include`).
WARNING: Method definition is_mime_enabled(Base.Multimedia.MIME{Symbol("application/vnd.pluto.tree+object")}) in module Main at none:3 overwritten on the same line (check for duplicate calls to `include`).
WARNING: Method definition is_mime_enabled(Base.Multimedia.MIME{Symbol("application/vnd.pluto.tree+object")}) in module Main at none:3 overwritten on the same line (check for duplicate calls to `include`).
WARNING: Method definition is_mime_enabled(Base.Multimedia.MIME{Symbol("application/vnd.pluto.tree+object")}) in module Main at none:3 overwritten on the same line (check for duplicate calls to `include`).
WARNING: Method definition is_mime_enabled(Base.Multimedia.MIME{Symbol("application/vnd.pluto.tree+object")}) in module Main at none:3 overwritten on the same line (check for duplicate calls to `include`).
WARNING: Method definition is_mime_enabled(Base.Multimedia.MIME{Symbol("application/vnd.pluto.tree+object")}) in module Main at none:3 overwritten on the same line (check for duplicate calls to `include`).
WARNING: Method definition is_mime_enabled(Base.Multimedia.MIME{Symbol("application/vnd.pluto.tree+object")}) in module Main at none:3 overwritten on the same line (check for duplicate calls to `include`).
WARNING: Method definition is_mime_enabled(Base.Multimedia.MIME{Symbol("application/vnd.pluto.tree+object")}) in module Main at none:3 overwritten on the same line (check for duplicate calls to `include`).

Logs for Pluto v0.19.36 look good and v0.19.37 show many warnings, so this seems to be introduced with Pluto v0.19.37.