th neural_style.lua -gpu 0
... src/torch/install/bin/luajit: src/torch/install/share/lua/5.1/trepl/init.lua:389: attempt to index a string value
stack traceback:
[C]: in function 'error'
src/torch/install/share/lua/5.1/trepl/init.lua:389: in function 'require'
neural_style.lua:327: in function 'setup_gpu'
neural_style.lua:53: in function 'main'
neural_style.lua:601: in main chunk
[C]: in function 'dofile'
.../src/torch/install/lib/luarocks/rocks/trepl/scm-1/bin/th:150: in main chunk
[C]: at 0x00406670
I have nvidia-367 and cuda 7.5