dpkg: error processing
/var/cache/apt/archives/nvidia-opencl-dev_5.0.35-7ubuntu1_amd64.deb (--unpack):
trying to overwrite '/usr/lib/x86_64-linux-gnu/libOpenCL.so', which is also
in package nvidia-libopencl1-331-updates 331.20-0ubuntu6
DuplicateSignature: package:nvidia-opencl-dev:(not installed):trying to
overwrite '/usr/lib/x86_64-linux-gnu/libOpenCL.so', which is also in package
nvidia-libopencl1-331-updates 331.20-0ubuntu6