I’m trying to call some functions from the laplacians.jl package by using PyJulia in my python code. It seems that I cannot run the code from Pyjulia because when I use the function directly in the Julia environment it worked. any thoughts or solution about this error?
tree = Laplacians.akpwU(graph)
Traceback (most recent call last):
File “”, line 1, in
RuntimeError: Julia exception: MethodError: no method matching nnz(::Array{Float64,2})
Closest candidates are:
nnz(!Matched::SparseArrays.SparseMatrixCSC) at D:\buildbot\worker\package_win64\build\usr\share\julia\stdlib\v1.3\SparseArrays\src\sparsematrix.jl:111
nnz(!Matched::Base.ReshapedArray{T,1,#s627,MI} where MI<:Tuple{Vararg{Base.MultiplicativeInverses.SignedMultiplicativeInverse{Int64},N} where N} where #s627<:SparseArrays.SparseMatrixCSC) where T at D:\buildbot\worker\package_win64\build\usr\share\julia\stdlib\v1.3\SparseArrays\src\sparsematrix.jl:112
nnz(!Matched::SparseArrays.SparseVector) at D:\buildbot\worker\package_win64\build\usr\share\julia\stdlib\v1.3\SparseArrays\src\sparsevector.jl:43
…
Stacktrace:
[1] akpwUsub(::Array{Float64,2}) at C:\Users.julia\packages\Laplacians\K6Pgk\src\akpw.jl:184
[2] akpwU(::Array{Float64,2}) at C:\Users.julia\packages\Laplacians\K6Pgk\src\akpw.jl:172
[3] #invokelatest#1 at .\essentials.jl:709 [inlined]
[4] invokelatest(::Any, ::Any) at .\essentials.jl:708
[5] _pyjlwrap_call(::Function, ::Ptr{PyCall.PyObject_struct}, ::Ptr{PyCall.PyObject_struct}) at C:\Users.julia\packages\PyCall\zqDXB\src\callback.jl:28
[6] pyjlwrap_call(::Ptr{PyCall.PyObject_struct}, ::Ptr{PyCall.PyObject_struct}, ::Ptr{PyCall.PyObject_struct}) at C:\Users.julia\packages\PyCall\zqDXB\src\callback.jl:49