FileNotFoundError .../constants.txt

[j-wags]

We've become aware of an issue with the caching system that we've started using in Pint, which manifests as an error message like FileNotFoundError: [Errno 2] No such file or directory: '[...]/data/defaults.txt/constants.txt'

To fix this issue:

• On linux: delete the ~/.cache/pint directory
• On mac: delete the ~/Library/Caches/pint/ directory