LoadError: type CuArray has no field buf

[jingtaozhan]

I follow the instructions and run the first demo, but I got an error during training ChainQ:

ERROR: LoadError: type CuArray has no field buf
Stacktrace:
 [1] getproperty(::Any, ::Symbol) at ./sysimg.jl:18
 [2] quantize_chainq_cuda!(::Array{Int16,2}, ::Array{Float32,2}, ::Array{Array{Float32,2},1}, ::Array{Array{Float32,2},1}, ::UnitRange{Int64}) at /home/zjt/.julia/dev/Rayuela/src/ChainQ.jl:242
 [3] quantize_chainq(::Array{Float32,2}, ::Array{Array{Float32,2},1}, ::Bool, ::Bool) at /home/zjt/.julia/dev/Rayuela/src/ChainQ.jl:325
 [4] train_chainq(::Array{Float32,2}, ::Int64, ::Int64, ::Array{Float32,2}, ::Array{Int16,2}, ::Array{Array{Float32,2},1}, ::Int64, ::Bool) at /home/zjt/.julia/dev/Rayuela/src/ChainQ.jl:401
 [5] run_demos(::String, ::Int64, ::Int64, ::Int64, ::Int64) at /home/zjt/.julia/dev/Rayuela/demos/demos_train_query_base.jl:57
 [6] top-level scope at /home/zjt/.julia/dev/Rayuela/demos/demos_train_query_base.jl:171 [inlined]
 [7] top-level scope at ./none:0
 [8] include at ./boot.jl:317 [inlined]
 [9] include_relative(::Module, ::String) at ./loading.jl:1044
 [10] include(::Module, ::String) at ./sysimg.jl:29
 [11] include(::String) at ./client.jl:392
 [12] top-level scope at none:0
in expression starting at /home/zjt/.julia/dev/Rayuela/demos/demos_train_query_base.jl:170

Thank you!