v2.0.4

What's Changed

Changes 🚀

• Update tests on Stream by @TaiSakuma in #61
• Clean code by @TaiSakuma in #62
• Remove ProgressReportComplementer by @TaiSakuma in #63
• Support Python 3.9 by @TaiSakuma in #64

Full Changelog: v2.0.3...v2.0.4