Test with Python 3.9 and 3.10

[tkf]

No description provided.

[codecov]

Codecov Report

Merging #458 (2cd54c1) into master (0f1ac43) will increase coverage by 0.05%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master     #458      +/-   ##
==========================================
+ Coverage   88.92%   88.98%   +0.05%     
==========================================
  Files          39       39              
  Lines        2257     2269      +12     
==========================================
+ Hits         2007     2019      +12     
  Misses        250      250              

Impacted Files	Coverage Δ
src/julia/tests/test_libjulia.py	100.00% <100.00%> (ø)
src/julia/tests/test_sysimage.py	97.67% <100.00%> (-2.33%)	⬇️
src/julia/tests/utils.py	100.00% <0.00%> (ø)
src/julia/tests/test_core.py	99.00% <0.00%> (+0.01%)	⬆️
src/julia/core.py	83.78% <0.00%> (+0.04%)	⬆️
src/julia/pseudo_python_cli.py	80.97% <0.00%> (+0.10%)	⬆️
src/julia/runtests.py	75.92% <0.00%> (+0.45%)	⬆️
src/julia/python_jl.py	84.37% <0.00%> (+3.12%)	⬆️

---

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[tkf]

test_compiled_modules_no fails with

┌ Error: Failed to import PyCall
│   exception =
│    LoadError: could not load symbol "main":
│    /home/runner/work/pyjulia/pyjulia/.tox/py/bin/python: undefined symbol: main
│    Stacktrace:
│      [1] #dlsym#1
│        @ ./libdl.jl:59 [inlined]
│      [2] dlsym(hnd::Ptr{Nothing}, s::Symbol)
│        @ Base.Libc.Libdl ./libdl.jl:57
│      [3] top-level scope
│        @ ~/.julia/packages/PyCall/ScKXc/src/startup.jl:76
│      [4] include(mod::Module, _path::String)
│        @ Base ./Base.jl:420
│      [5] include(x::String)
│        @ PyCall ~/.julia/packages/PyCall/ScKXc/src/PyCall.jl:1
│      [6] top-level scope
│        @ ~/.julia/packages/PyCall/ScKXc/src/PyCall.jl:38
│      [7] include
│        @ ./Base.jl:420 [inlined]
│      [8] _require(pkg::Base.PkgId)
│        @ Base ./loading.jl:1149
│      [9] require(uuidkey::Base.PkgId)
│        @ Base ./loading.jl:1013
│     [10] top-level scope
│        @ none:3
│    in expression starting at /home/runner/.julia/packages/PyCall/ScKXc/src/startup.jl:41
│    in expression starting at /home/runner/.julia/packages/PyCall/ScKXc/src/PyCall.jl:1
└ @ Main none:5

https://github.com/JuliaPy/pyjulia/runs/3990728739?check_suite_focus=true#step:8:371 (Test ubuntu-latest x64 Python 3.10 Julia ~1.7.0-rc1)

Similar failure in
https://github.com/JuliaPy/pyjulia/runs/3990728717?check_suite_focus=true#step:8:368 (Test ubuntu-latest x64 Python 3.10 Julia 1.6)
https://github.com/JuliaPy/pyjulia/runs/3990728650?check_suite_focus=true#step:8:363 (Test ubuntu-latest x64 Python 3.9 Julia 1.0)
etc.

It looks like this occurs for all combinations with Python >= 3.9 in Linux.

This also breaks the sysimage tests since it uses --compiled-modules=no for Julia >= 1.5.