Unable to reference BamlValidationError in Python, referenced in docs

[htxryan]

I'm unable to figure out how to reference (and therefore catch/handle) BamlValidationError in Python, which is referenced in the docs here: https://docs.boundaryml.com/ref/baml_client/errors/baml-validation-error

How can I catch this specific error in Python?

try:
  return b.MyFunction("input")
except BamlValidationError as e:
  # handling logic

[linear[bot]]

BAML-367 Unable to reference BamlValidationError in Python, referenced in docs

[htxryan]

Looking closer I do see that these docs only make reference to TypeScript, not Python. Is there a reason these specific error types are not available in Python? Are there any specific BAML error types available in Python (to avoid a generic except Exception as e:)?

[Elijas]

Could you try

from baml_py.errors import BamlValidationError

[htxryan]

That worked, thank you! For some reason VS Code was not able to find it to automatically add the import, not quite sure why. But this unblocks me, thank you 😄

[Elijas]

Glad it helped! For me it also doesn’t’autofind with Ctrl+dot, unfortunately i had to manually find it.

Let us know if you figure it out💪

[Elijas]

@htxryan Btw sometimes ctrl+dot issues are solved by restarting the language server, just in case it helps