Module stdgo.mime.multipart has compilation errors, please do not use:

 ERROR  (macro) stdgo/_internal/mime/multipart/Multipart_FileHeader_static_extension.hx:21: characters 9-73

 21 |         return stdgo._internal.os.Os_open.open(_fh._tmpfile?.__copy__());
    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    | error: stdgo.Ref<stdgo._internal.os.File> should be stdgo._internal.mime.multipart.File
    | have: { _0: stdgo.Ref<...> }
    | want: { _0: stdgo._internal.mime.multipart.File }