I want to use this package to constrained ahortest paths in one of my algorithm. But, when I try to install the package, I seem to run into some trouble. Could you help me figure this out?
julia> Pkg.add("ConstrainedShortestPaths")
Resolving package versions...
ERROR: Unsatisfiable requirements detected for package ConstrainedShortestPaths [b3798467]:
ConstrainedShortestPaths [b3798467] log:
├─possible versions are: 0.1.0 or uninstalled
├─restricted to versions * by an explicit requirement, leaving only versions 0.1.0
└─restricted by julia compatibility requirements to versions: uninstalled — no versions left
Stacktrace:
[1] propagate_constraints!(graph::Pkg.Resolve.Graph, sources::Set{Int64}; log_events::Bool)
@ Pkg.Resolve /buildworker/worker/package_linux64/build/usr/share/julia/stdlib/v1.6/Pkg/src/Resolve/graphtype.jl:1048
[2] propagate_constraints! (repeats 2 times)
@ /buildworker/worker/package_linux64/build/usr/share/julia/stdlib/v1.6/Pkg/src/Resolve/graphtype.jl:989 [inlined]
[3] simplify_graph!(graph::Pkg.Resolve.Graph, sources::Set{Int64}; clean_graph::Bool)
@ Pkg.Resolve /buildworker/worker/package_linux64/build/usr/share/julia/stdlib/v1.6/Pkg/src/Resolve/graphtype.jl:1503
[4] simplify_graph! (repeats 2 times)
@ /buildworker/worker/package_linux64/build/usr/share/julia/stdlib/v1.6/Pkg/src/Resolve/graphtype.jl:1503 [inlined]
[5] resolve_versions!(ctx::Pkg.Types.Context, pkgs::Vector{Pkg.Types.PackageSpec})
@ Pkg.Operations /buildworker/worker/package_linux64/build/usr/share/julia/stdlib/v1.6/Pkg/src/Operations.jl:412
[6] targeted_resolve(ctx::Pkg.Types.Context, pkgs::Vector{Pkg.Types.PackageSpec}, preserve::Pkg.Types.PreserveLevel)
@ Pkg.Operations /buildworker/worker/package_linux64/build/usr/share/julia/stdlib/v1.6/Pkg/src/Operations.jl:1229
[7] tiered_resolve(ctx::Pkg.Types.Context, pkgs::Vector{Pkg.Types.PackageSpec})
@ Pkg.Operations /buildworker/worker/package_linux64/build/usr/share/julia/stdlib/v1.6/Pkg/src/Operations.jl:1215
[8] _resolve
@ /buildworker/worker/package_linux64/build/usr/share/julia/stdlib/v1.6/Pkg/src/Operations.jl:1235 [inlined]
[9] add(ctx::Pkg.Types.Context, pkgs::Vector{Pkg.Types.PackageSpec}, new_git::Vector{Base.UUID}; preserve::Pkg.Types.PreserveLevel, platform::Base.BinaryPlatforms.Platform)
@ Pkg.Operations /buildworker/worker/package_linux64/build/usr/share/julia/stdlib/v1.6/Pkg/src/Operations.jl:1250
[10] add(ctx::Pkg.Types.Context, pkgs::Vector{Pkg.Types.PackageSpec}; preserve::Pkg.Types.PreserveLevel, platform::Base.BinaryPlatforms.Platform, kwargs::Base.Iterators.Pairs{Symbol, Base.TTY, Tuple{Symbol}, NamedTuple{(:io,), Tuple{Base.TTY}}})
@ Pkg.API /buildworker/worker/package_linux64/build/usr/share/julia/stdlib/v1.6/Pkg/src/API.jl:204
[11] add(pkgs::Vector{Pkg.Types.PackageSpec}; io::Base.TTY, kwargs::Base.Iterators.Pairs{Union{}, Union{}, Tuple{}, NamedTuple{(), Tuple{}}})
@ Pkg.API /buildworker/worker/package_linux64/build/usr/share/julia/stdlib/v1.6/Pkg/src/API.jl:80
[12] add(pkgs::Vector{Pkg.Types.PackageSpec})
@ Pkg.API /buildworker/worker/package_linux64/build/usr/share/julia/stdlib/v1.6/Pkg/src/API.jl:78
[13] #add#23
@ /buildworker/worker/package_linux64/build/usr/share/julia/stdlib/v1.6/Pkg/src/API.jl:76 [inlined]
[14] add
@ /buildworker/worker/package_linux64/build/usr/share/julia/stdlib/v1.6/Pkg/src/API.jl:76 [inlined]
[15] #add#22
@ /buildworker/worker/package_linux64/build/usr/share/julia/stdlib/v1.6/Pkg/src/API.jl:75 [inlined]
[16] add(pkg::String)
@ Pkg.API /buildworker/worker/package_linux64/build/usr/share/julia/stdlib/v1.6/Pkg/src/API.jl:75
[17] top-level scope
@ REPL[4]:1