release: 0.38.0

[stainless-app[bot]]

Automated Release PR

0.38.0 (2024-11-01)

Full Changelog: v0.37.1...v0.38.0

Features

• api: add message token counting & PDFs support (#721) (e4856dd)

Bug Fixes

• count_tokens: correctly set beta header (e5b4b54)
• types: add missing token-counting-2024-11-01 (1897883)

Chores

• internal: bump mypy (#720) (fe8d19e)
• internal: bump pytest to v8 & pydantic (#716) (00fe1f8)
• internal: update spec version (#712) (f71b0f5)
• tests: move lazy tokenizer test outside of pytest (d8f2402)

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[stainless-app[bot]]

:robot: Release is at https://github.com/anthropics/anthropic-sdk-python/releases/tag/v0.38.0 :sunflower: