transformers-feedstock failed to parse

[danpetry]

What happened?

Got an error while running perseverance-scripts diff-deps on https://github.com/AnacondaRecipes/transformers-feedstock "An error occurred trying to parse the Anaconda Recipe file provided."

To Reproduce

cd aggregate/transformers-feedstock
pscripts diff-deps -r recipe/meta.yaml -s pypi transformers

Steps to reproduce the behavior:

Additional Details (please complete the following information):

local machine (osx-arm64)