julia> ENV["JULIA_CONDAPKG_BACKEND"] = "Null"
"Null"
julia> using PythonCall
Precompiling PythonCall
1 dependency successfully precompiled in 6 seconds. 22 already precompiled.
┌ Warning: Python library "/usr/lib/x86_64-linux-gnu/libpython3.10.so.1.0" could not be opened.
└ @ PythonCall.C /opt/.julia/dev/PythonCall/src/C/context.jl:118
ERROR: InitError: ArgumentError: NULL library handle
Stacktrace:
[1] #dlsym#1
@ ./libdl.jl:57
[2] dlsym
@ ./libdl.jl:56 [inlined]
[3] init_pointers(p::PythonCall.C.CAPIPointers, lib::Ptr{Nothing})
@ PythonCall.C /opt/.julia/dev/PythonCall/src/C/pointers.jl:282
[4] init_pointers
@ /opt/.julia/dev/PythonCall/src/C/pointers.jl:282 [inlined]
[5] init_context()
@ PythonCall.C /opt/.julia/dev/PythonCall/src/C/context.jl:138
[6] __init__()
@ PythonCall.C /opt/.julia/dev/PythonCall/src/C/C.jl:23
[7] run_module_init(mod::Module, i::Int64)
@ Base ./loading.jl:1134
[8] register_restored_modules(sv::Core.SimpleVector, pkg::Base.PkgId, path::String)
@ Base ./loading.jl:1122
[9] _include_from_serialized(pkg::Base.PkgId, path::String, ocachepath::String, depmods::Vector{Any})
@ Base ./loading.jl:1067
[10] _require_search_from_serialized(pkg::Base.PkgId, sourcepath::String, build_id::UInt128)
@ Base ./loading.jl:1581
[11] _require(pkg::Base.PkgId, env::String)
@ Base ./loading.jl:1938
[12] __require_prelocked(uuidkey::Base.PkgId, env::String)
@ Base ./loading.jl:1812
[13] #invoke_in_world#3
@ ./essentials.jl:926 [inlined]
[14] invoke_in_world
@ ./essentials.jl:923 [inlined]
[15] _require_prelocked(uuidkey::Base.PkgId, env::String)
@ Base ./loading.jl:1803
[16] macro expansion
@ ./loading.jl:1790 [inlined]
[17] macro expansion
@ ./lock.jl:267 [inlined]
[18] __require(into::Module, mod::Symbol)
@ Base ./loading.jl:1753
[19] #invoke_in_world#3
@ ./essentials.jl:926 [inlined]
[20] invoke_in_world
@ ./essentials.jl:923 [inlined]
[21] require(into::Module, mod::Symbol)
@ Base ./loading.jl:1746
during initialization of module C
After
julia> ENV["JULIA_CONDAPKG_BACKEND"] = "Null"
"Null"
julia> using PythonCall
Precompiling PythonCall
1 dependency successfully precompiled in 6 seconds. 22 already precompiled.
┌ Warning: Python library "/usr/lib/x86_64-linux-gnu/libpython3.10.so.1.0" could not be opened.
└ @ PythonCall.C /opt/.julia/dev/PythonCall/src/C/context.jl:118
ERROR: InitError: Could not find Python library for Python executable "/usr/local/bin/python".
If you know where the library is, set environment variable 'JULIA_PYTHONCALL_LIB' to its path.
Stacktrace:
[1] error(s::String)
@ Base ./error.jl:35
Before
After