Dependency problem during netlify deployment

[topspinj]

Discussed in #645

^{Originally posted by topspinj January 30, 2022}
When I try to deploy my Jupyter book via Netflix, this error gets thrown:

pkg_resources.ContextualVersionConflict: (click 7.1.2 (/opt/buildhome/python3.8/lib/python3.8/site-packages), Requirement.parse('click>=8.0.0'), {'black'})

Anyone encounter this before?

I can build jupyter book locally with no issue. I was also able to deploy via Netlify last week. I made a few changes (which I believe are non-breaking) to my notebooks today and for some reason, deployment is failing.

My specs:

Jupyter Book      : 0.12.1
External ToC      : 0.2.3
MyST-Parser       : 0.15.2
MyST-NB           : 0.13.1
Sphinx Book Theme : 0.1.7
Jupyter-Cache     : 0.4.3
NbClient          : 0.5.9

requirements.txt:

jupyter-book
pandas
matplotlib
numpy
seaborn  
matplotlib 

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