Python 3.10

[benjeffery]

Fixes #1895

[codecov]

Codecov Report

Merging #1949 (538a0c2) into main (dd071e2) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main    #1949   +/-   ##
=======================================
  Coverage   93.32%   93.32%           
=======================================
  Files          27       27           
  Lines       25212    25212           
  Branches     1108     1108           
=======================================
  Hits        23530    23530           
  Misses       1648     1648           
  Partials       34       34           

Flag	Coverage Δ
c-tests	92.32% <ø> (ø)
lwt-tests	89.14% <ø> (ø)
python-c-tests	71.68% <ø> (ø)
python-tests	98.80% <ø> (ø)

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[benjeffery]

Hmm, chicken and egg with conda msprime not on 3.10 yet

[jeromekelleher]

LGTM - see suggestion above for resolving chickens.