How to use scholarly-metadata.lua

["Pedro P. Palazzo" <pedro.palazzo-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>]

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Hi, I am trying out the scholarly-metadata and author-info-blocks filters 
(just downloaded the latest release) with pandoc 2.17.1.1 and am getting 
the following error:

Error running filter 
/Users/palazzo/.local/share/pandoc/filters/scholarly-metadata.lua:
...lazzo/.local/share/pandoc/filters/scholarly-metadata.lua:95: not a named 
object: List: 0x600002684b00
stack traceback:
        ...lazzo/.local/share/pandoc/filters/scholarly-metadata.lua:95: in 
function 'to_named_object'
        [C]: in function 'pandoc.List.map'
        ...lazzo/.local/share/pandoc/filters/scholarly-metadata.lua:144: in 
upvalue 'canonicalize'
        ...lazzo/.local/share/pandoc/filters/scholarly-metadata.lua:181: in 
function <...lazzo/.local/share/pandoc/filters/scholarly-metadata.lua:180>

[Process exited 83]

My YAML header looks like this:

---
title: "Some title"
author: 
  - Rui Florentino:
      correspondence: "yes"
      email: some-zuv13RyHHZkAvxtiuMwx3w@public.gmane.org
      institute: upt
  - Pedro P. Palazzo:
      correspondence: "yes"
      email: another-zuv13RyHHZkAvxtiuMwx3w@public.gmane.org
      institute: unb
institute:
  - upt: Professor e investigador da Universidade Portucalense, 
Departamento de Arquitetura e Multimédia
  - unb: Professor Associado, Universidade de Brasília, Faculdade de 
Arquitetura e Urbanismo.
---

I even tried copying and pasting the example YAML data that is on the 
filters’ README and still get the same error.

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