feat: support python3.9

[MartinBernstorff]

feat: support python3.9

update 8 files rerun tests

update iter.py and test_benchmark_iter.py

update iter.py, requirements-dev.lock and requirements.lock

[MartinBernstorff]

Current dependencies on/for this PR:

• main
  • PR #125 👈

This stack of pull requests is managed by Graphite.

[codspeed-hq[bot]]

CodSpeed Performance Report

Merging #125 will degrade performances by 15.49%

_{:warning: No base runs were found}

_{Falling back to comparing feat/support_python3.9 (96873ee) with main (07f4063)}

Summary

⚡ 1 improvements ❌ 3 (👁 3) regressions ✅ 17 untouched benchmarks

Benchmarks breakdown

	Benchmark	main	feat/support_python3.9	Change
⚡	test_benchmark_iter[all]	3.7 ms	3.2 ms	+14.02%
👁	test_benchmark_iter[filter]	2.3 ms	2.5 ms	-10.09%
👁	test_benchmark_iter[map]	1.9 ms	2.2 ms	-12.1%
👁	test_benchmark_iter[reduce]	1.8 ms	2.2 ms	-15.49%