Getting exception immediately after training starts

[hardikasnani]

=> Setting up data loader
=> Loading trainer
=> Training epoch # 1
/root/torch/install/bin/luajit: /root/torch/install/share/lua/5.1/threads/threads.lua:183: [thread 1 callback] /root/torch/install/share/lua/5.1/cv/imgproc/init.lua:1837: 'struct TensorPlusInt' has no member named 'val' stack traceback: /root/torch/install/share/lua/5.1/cv/imgproc/init.lua:1837: in function 'connectedComponents' ../util/lua/floorplan_utils.lua:311: in function 'findConnectedComponents' ../util/lua/floorplan_utils.lua:5819: in function 'getSegmentation' ./models/heatmap-segmentation-dataloader.lua:71: in function <./models/heatmap-segmentation-dataloader.lua:64> [C]: in function 'xpcall' /root/torch/install/share/lua/5.1/threads/threads.lua:234: in function 'callback' /root/torch/install/share/lua/5.1/threads/queue.lua:65: in function </root/torch/install/share/lua/5.1/threads/queue.lua:41> [C]: in function 'pcall' /root/torch/install/share/lua/5.1/threads/queue.lua:40: in function 'dojob' [string " local Queue = require 'threads.queue'..."]:15: in main chunk stack traceback: [C]: in function 'error' /root/torch/install/share/lua/5.1/threads/threads.lua:183: in function 'dojob' ./models/heatmap-segmentation-dataloader.lua:127: in function '(for generator)' ./models/heatmap-segmentation-train.lua:65: in function 'train' main.lua:69: in main chunk [C]: in function 'dofile' /root/torch/install/lib/luarocks/rocks/trepl/scm-1/bin/th:150: in main chunk [C]: at 0x562049049570