Upgrade pyo3 and maturin

[prozacchiwawa]

Upgrade to maturin 1.3.2 and pyo3 0.20.2.
API changes in pyo3 include

• Replacing the arg_n_ from pyfunction to making a pyo3 decorator containing a signature tuple.
• Py references are no longer passed out of get_item, which also no longer takes isize but usize.
• Uses of extract are better done as reference captures using .as_ref().

[socket-security]

New and removed dependencies detected. Learn more about Socket for GitHub ↗︎

Package	New capabilities	Transitives	Size	Publisher
pypi/[email protected]	environment, filesystem, shell	0	39.6 MB	konstin, messense

🚮 Removed packages: npm/[email protected], pypi/[email protected], pypi/[email protected], pypi/[email protected], pypi/[email protected], pypi/[email protected], pypi/[email protected], pypi/[email protected], pypi/[email protected], pypi/[email protected], pypi/[email protected], pypi/[email protected], pypi/[email protected], pypi/[email protected]

View full report↗︎

[coveralls]

Pull Request Test Coverage Report for Build 7670685288

• -32 of 32 (0.0%) changed or added relevant lines in 2 files are covered.
• 8 unchanged lines in 3 files lost coverage.
• Overall coverage decreased (-0.09%) to 82.958%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
src/py/pyval.rs	0	11	0.0%
src/py/api.rs	0	21	0.0%

Files with Coverage Reduction	New Missed Lines	%
src/compiler/sexp.rs	1	78.1%
src/py/api.rs	2	9.3%
src/py/cmds.rs	5	31.03%

Totals
Change from base Build 7661630909:	-0.09%
Covered Lines:	14876
Relevant Lines:	17932

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💛 - Coveralls

[emlowe]

Approved

[prozacchiwawa]

You're done with your stuff and ok with merging this?