PythonCall.jl did not start properly when import juliacall

[ywlds]

import juliacall
[juliapkg] Locating Julia ^1.6
[juliapkg] Using Julia 1.6.0 at /opt/tiger/DMET/julia-1.6.0/bin/julia
[juliapkg] Using Julia project at /home/tiger/anaconda3/julia_env
[juliapkg] Installing packages:
julia> import Pkg
julia> Pkg.add([Pkg.PackageSpec(name="PythonCall", uuid="6099a3de-0909-46bc-b1f4-468b9a2dfc0d")])
julia> Pkg.resolve()
Updating registry at ~/.julia/registries/General
Resolving package versions...
Updating ~/anaconda3/julia_env/Project.toml
[6099a3de] + PythonCall v0.9.1
Updating ~/anaconda3/julia_env/Manifest.toml
[992eb4ea] + CondaPkg v0.2.10
[9a962f9c] + DataAPI v1.10.0
[e2d170a0] + DataValueInterfaces v1.0.0
[82899510] + IteratorInterfaceExtensions v1.0.0
[0f8b85d8] + JSON3 v1.9.5
[1914dd2f] + MacroTools v0.5.9
[0b3b1443] + MicroMamba v0.1.8
[bac558e1] + OrderedCollections v1.4.1
[69de0a69] + Parsers v2.3.2
[6099a3de] + PythonCall v0.9.1
[ae029012] + Requires v1.3.0
[6c6a2e73] + Scratch v1.1.0
[856f2bd8] + StructTypes v1.8.1
[3783bdb8] + TableTraits v1.0.1
[bd369af6] + Tables v1.7.0
[e17b2a0c] + UnsafePointers v1.0.0
[0dad84c5] + ArgTools
[56f22d72] + Artifacts
[2a0f44e3] + Base64
[ade2ca70] + Dates
[f43a241f] + Downloads
[b77e0a4c] + InteractiveUtils
[b27032c2] + LibCURL
[76f85450] + LibGit2
[8f399da3] + Libdl
[37e2e46d] + LinearAlgebra
[56ddb016] + Logging
[d6f4376e] + Markdown
[a63ad114] + Mmap
[ca575930] + NetworkOptions
[44cfe95a] + Pkg
[de0858da] + Printf
[3fa0cd96] + REPL
[9a3f8284] + Random
[ea8e919c] + SHA
[9e88b42a] + Serialization
[6462fe0b] + Sockets
[fa267f1f] + TOML
[a4e569a6] + Tar
[8dfed614] + Test
[cf7118a7] + UUIDs
[4ec0a83e] + Unicode
[deac9b47] + LibCURL_jll
[29816b5a] + LibSSH2_jll
[c8ffd9c3] + MbedTLS_jll
[14a3606d] + MozillaCACerts_jll
[83775a58] + Zlib_jll
[8e850ede] + nghttp2_jll
[3f19e933] + p7zip_jll
No Changes to ~/anaconda3/julia_env/Project.toml
No Changes to ~/anaconda3/julia_env/Manifest.toml
ERROR: MethodError: no method matching activate(::String; io=Base.DevNull())
Closest candidates are:
activate(::AbstractString; shared, temp) at /buildworker/worker/package_linux64/build/usr/share/julia/stdlib/v1.6/Pkg/src/API.jl:1407 got unsupported keyword argument "io"
activate(; temp, shared) at /buildworker/worker/package_linux64/build/usr/share/julia/stdlib/v1.6/Pkg/src/API.jl:1381 got unsupported keyword argument "io"
activate(::Function, ::AbstractString) at /buildworker/worker/package_linux64/build/usr/share/julia/stdlib/v1.6/Pkg/src/API.jl:1448 got unsupported keyword argument "io"
Stacktrace:
[1] kwerr(::NamedTuple{(:io,), Tuple{Base.DevNull}}, ::Function, ::String)
@ Base ./error.jl:157
[2] top-level scope
@ none:4Traceback (most recent call last):
File "", line 1, in
File "/home/tiger/anaconda3/lib/python3.7/site-packages/juliacall/init.py", line 150, in
init()
File "/home/tiger/anaconda3/lib/python3.7/site-packages/juliacall/init.py", line 144, in init
raise Exception('PythonCall.jl did not start properly')
Exception: PythonCall.jl did not start properly

[ywlds]

Note the julia PythonCall can be start and run individually as

with the setting

[cjdoris]

You're on Julia 1.6.0, but it looks like the first version which supported that io argument in the error message is 1.6.1.

I'll bump the minimum required Julia to 1.6.1. I recommend you upgrade.

[ywlds]

Thanks, I will try this.

[ywlds]

I directly upgrade to 1.7.3. Now it works.