Various fixes & improvements
- fix(integrations): allow explicit op parameter in
ai_track(#4597) by @mshavliuk - fix: Fix
abs_pathbug inserialize_frame(#4599) by @szokeasaurusrex - Remove pyrsistent from test dependencies (#4588) by @musicinmybrain
- Remove explicit
__del__'s in threaded classes (#4590) by @sl0thentr0py - Remove forked from test_transport, separate gevent tests and generalize capturing_server to be module level (#4577) by @sl0thentr0py
- Improve token usage recording (#4566) by @antonpirker