error with hmc. Think there's an issue taking the gradient of the sample_wo_repl distribution

[marleneberke]

ERROR: LoadError: ArgumentError: DiscreteUniform: the condition a <= b is not satisfied. Stacktrace: [1] macro expansion at /Users/marleneberke/.julia/packages/Distributions/OdJGZ/src/utils.jl:6 [inlined] [2] Type at /Users/marleneberke/.julia/packages/Distributions/OdJGZ/src/univariate/discrete/discreteuniform.jl:30 [inlined] [3] logpdf at /Users/marleneberke/.julia/packages/Gen/eQpFO/src/modeling_library/uniform_discrete.jl:11 [inlined] [4] traceat(::Gen.GFBackpropTraceState, ::Gen.UniformDiscrete, ::Tuple{Int64,Int64}, ::Tuple{Symbol,Int64}) at /Users/marleneberke/.julia/packages/Gen/eQpFO/src/dynamic/backprop.jl:277 [5] ##sample_wo_repl#544(::Gen.GFBackpropTraceState, ::Array{String,1}, ::Int64) at /Users/marleneberke/Documents/03_Yale/Projects/001_Mask_RCNN/ORB_project3/inference.jl:48 [6] exec at /Users/marleneberke/.julia/packages/Gen/eQpFO/src/dynamic/dynamic.jl:39 [inlined] [7] choice_gradients(::Gen.DynamicDSLTrace{DynamicDSLFunction{Any}}, ::AllSelection, ::Nothing) at /Users/marleneberke/.julia/packages/Gen/eQpFO/src/dynamic/backprop.jl:376 [8] special_reverse_exec!(::ReverseDiff.SpecialInstruction{Gen.BackpropTraceRecord,Tuple{Array{String,1},Int64},Array{String,1},Nothing}) at /Users/marleneberke/.julia/packages/Gen/eQpFO/src/dynamic/backprop.jl:346 [9] reverse_exec!(::ReverseDiff.SpecialInstruction{Gen.BackpropTraceRecord,Tuple{Array{String,1},Int64},Array{String,1},Nothing}) at /Users/marleneberke/.julia/packages/ReverseDiff/qmgw8/src/tape.jl:93 [10] reverse_pass!(::Array{ReverseDiff.AbstractInstruction,1}) at /Users/marleneberke/.julia/packages/ReverseDiff/qmgw8/src/tape.jl:87 [11] reverse_pass! at /Users/marleneberke/.julia/packages/Gen/eQpFO/src/backprop.jl:12 [inlined] [12] choice_gradients(::Gen.DynamicDSLTrace{DynamicDSLFunction{Any}}, ::DynamicSelection, ::Nothing) at /Users/marleneberke/.julia/packages/Gen/eQpFO/src/dynamic/backprop.jl:396 [13] #hmc#167(::Float64, ::Int64, ::Float64, ::typeof(hmc), ::Gen.DynamicDSLTrace{DynamicDSLFunction{Any}}, ::DynamicSelection) at /Users/marleneberke/.julia/packages/Gen/eQpFO/src/inference/hmc.jl:36 [14] hmc(::Gen.DynamicDSLTrace{DynamicDSLFunction{Any}}, ::DynamicSelection) at /Users/marleneberke/.julia/packages/Gen/eQpFO/src/inference/hmc.jl:24 [15] block_resimulation_update(::Gen.DynamicDSLTrace{DynamicDSLFunction{Any}}) at /Users/marleneberke/Documents/03_Yale/Projects/001_Mask_RCNN/ORB_project3/inference.jl:257 [16] block_resimulation_inference(::Tuple{Array{String,1},Int64}, ::DynamicChoiceMap) at /Users/marleneberke/Documents/03_Yale/Projects/001_Mask_RCNN/ORB_project3/inference.jl:274 [17] top-level scope at /Users/marleneberke/Documents/03_Yale/Projects/001_Mask_RCNN/ORB_project3/inference.jl:282 [18] include at ./boot.jl:328 [inlined] [19] include_relative(::Module, ::String) at ./loading.jl:1094 [20] include(::Module, ::String) at ./Base.jl:31 [21] include(::String) at ./client.jl:431

in expression starting at /Users/marleneberke/Documents/03_Yale/Projects/001_Mask_RCNN/ORB_project3/inference.jl:281