v0.6.4

What's Changed

Changes 🛠

• fix: hold one lock at a time to avoid the deadlock in nested function by @kemingy in #316

Minor changes 🧹

• chore: skip the lint&test step in release by @kemingy in #312
• chore: add nightly bad req test by @kemingy in #313
• chore: use absolute import path by @lkevinzc in #314

Full Changelog: 0.6.3...0.6.4