Error in update_center!

[sepehr3pehr]

I get the following error when running demos_train_query_base.jl

Training an optimized product quantizer
  0 3.384649e+04... ERROR: LoadError: MethodError: no method matching update_centers!(::Array{Float32,2}, ::Nothing, ::Array{Int64,1}, ::Array{Bool,1}, ::Array{Float32,2}, ::Array{Float64,1})
Closest candidates are:
  update_centers!(::AbstractArray{#s110,2} where #s110<:Real, ::Nothing, ::Array{Int64,1}, ::Array{Bool,1}, ::AbstractArray{#s109,2} where #s109<:AbstractFloat, ::Array{Int64,1}) at /home/s2eghbal/.julia/packages/Clustering/YmmQw/src/kmeans.jl:269
  update_centers!(::AbstractArray{#s110,2} where #s110<:Real, ::Array{W<:Real,1}, ::Array{Int64,1}, ::Array{Bool,1}, ::AbstractArray{#s109,2} where #s109<:Real, ::Array{W<:Real,1}) where W<:Real at /home/s2eghbal/.julia/packages/Clustering/YmmQw/src/kmeans.jl:316
  update_centers!(::Any, ::Any, ::Any, ::Any) at /home/s2eghbal/.julia/packages/Clustering/YmmQw/src/fuzzycmeans.jl:42
Stacktrace:
 [1] train_opq(::Array{Float32,2}, ::Int64, ::Int64, ::Int64, ::String, ::Bool) at /home/s2eghbal/.julia/dev/Rayuela/src/OPQ.jl:121
 [2] experiment_opq(::Array{Float32,2}, ::Array{Float32,2}, ::Array{Float32,2}, ::Array{UInt32,1}, ::Int64, ::Int64, ::String, ::Int64, ::Int64, ::Bool) at /home/s2eghbal/.julia/dev/Rayuela/src/OPQ.jl:155
 [3] run_demos(::String, ::Int64, ::Int64, ::Int64, ::Int64) at /home/s2eghbal/.julia/dev/Rayuela/demos/demos_train_query_base.jl:35
 [4] top-level scope at /home/s2eghbal/.julia/dev/Rayuela/demos/demos_train_query_base.jl:171 [inlined]
 [5] top-level scope at ./none:0
 [6] include at ./boot.jl:326 [inlined]
 [7] include_relative(::Module, ::String) at ./loading.jl:1038
 [8] include(::Module, ::String) at ./sysimg.jl:29
 [9] include(::String) at ./client.jl:403
 [10] top-level scope at none:0
in expression starting at /home/s2eghbal/.julia/dev/Rayuela/demos/demos_train_query_base.jl:170

[sepehr3pehr]

I changed the type of cweights to Int64 and it solved the issue.