Relax type hints

[kayjan]

Description

Follow rules

• Keep input type generic and output type specific
• Docstring to remove mention of the type as it is redundant/implied
• Remove use of mutable defaults
• Use of Optional if it is okay to pass in None as input

Testing

Additional notes

Checklist

I have read through the contributing guidelines and ensured that

• I have added a descriptive title for this pull request.
• I have followed the convention and standards, and my code is checked for style and correctness.
• I have added test cases, and unit tests pass with 100% code coverage.
• I have updated the documentation and code docstrings.

Checklist (for reviewer)

• I have added label (breaking / enhancement / bug / documentation) to this pull request, if applicable.
• I will ensure this change is captured in the CHANGELOG.md file.

[github-actions]

Benchmark

Details

Benchmark suite	Current: 3d475d6	Previous: 33ced06	Ratio
tests/node/test_node_benchmark.py::test_node_benchmark_width_1_depth_10	18428.644748120794 iter/sec (stddev: 0.0000075348591508237284)	18275.67206584302 iter/sec (stddev: 0.000005343676653843679)	0.99
tests/node/test_node_benchmark.py::test_node_benchmark_width_1_depth_100	194.99536973741152 iter/sec (stddev: 0.0038845681770883263)	175.05579859813687 iter/sec (stddev: 0.00463735179359823)	0.90
tests/node/test_node_benchmark.py::test_node_benchmark_width_1_depth_1000	14.401191930203614 iter/sec (stddev: 0.00010822113722413214)	14.302469823217375 iter/sec (stddev: 0.00047726617673656495)	0.99
tests/node/test_node_benchmark.py::test_node_benchmark_width_2_depth_10	88.07366960847182 iter/sec (stddev: 0.00017608118506623097)	85.50359118504815 iter/sec (stddev: 0.00023040904759229937)	0.97
tests/node/test_node_benchmark.py::test_node_benchmark_width_1_depth_10_no_assertions	23049.14885298797 iter/sec (stddev: 0.000004740090307734558)	21869.061182996276 iter/sec (stddev: 0.00000449917902880447)	0.95
tests/node/test_node_benchmark.py::test_node_benchmark_width_1_depth_100_no_assertions	1903.4447210115306 iter/sec (stddev: 0.0000071728911889771035)	1854.4998372183625 iter/sec (stddev: 0.000012196248472073574)	0.97
tests/node/test_node_benchmark.py::test_node_benchmark_width_1_depth_1000_no_assertions	175.01743851879615 iter/sec (stddev: 0.00004548980557871704)	170.28623541027738 iter/sec (stddev: 0.0000825826474240258)	0.97
tests/node/test_node_benchmark.py::test_node_benchmark_width_2_depth_10_no_assertions	91.57420141013108 iter/sec (stddev: 0.004236428683336799)	86.98469948702737 iter/sec (stddev: 0.00491526314338115)	0.95

This comment was automatically generated by workflow using github-action-benchmark.

[github-actions]

Package	Line Rate	Branch Rate	Complexity	Health
bigtree	100%	100%	0	✔
bigtree.binarytree	100%	100%	0	✔
bigtree.dag	100%	98%	0	✔
bigtree.node	100%	100%	0	✔
bigtree.tree	100%	100%	0	✔
bigtree.tree.construct	100%	100%	0	✔
bigtree.tree.export	100%	100%	0	✔
bigtree.utils	100%	100%	0	✔
Summary	100% (2966 / 2966)	100% (1144 / 1146)	0	✔