test with torch cpu version

script/cuda.sh

@@ -30,7 +30,7 @@ if [ "${TRAVIS_OS_NAME}" = "linux" ] && [ "$IDX" = "cu102" ]; then
   export TOOLKIT="cudatoolkit=${CUDA_SHORT}"
 fi
 
-if [ "${TRAVIS_OS_NAME}" = "windows" ] && [ "$IDX" = "cpu" ]; then
+if [ "${TRAVIS_OS_NAME}" = "windows" ]; then
   export TOOLKIT=cpuonly
 fi
 
@@ -38,21 +38,18 @@ if [ "${TRAVIS_OS_NAME}" = "windows" ] && [ "$IDX" = "cu92" ]; then
   export CUDA_SHORT=9.2
   export CUDA_URL=https://developer.nvidia.com/compute/cuda/${CUDA_SHORT}/Prod2/local_installers2
   export CUDA_FILE=cuda_${CUDA_SHORT}.148_win10
-  export TOOLKIT="cudatoolkit=${CUDA_SHORT}"
 fi
 
 if [ "${TRAVIS_OS_NAME}" = "windows" ] && [ "$IDX" = "cu101" ]; then
   export CUDA_SHORT=10.1
   export CUDA_URL=https://developer.nvidia.com/compute/cuda/${CUDA_SHORT}/Prod/local_installers
   export CUDA_FILE=cuda_${CUDA_SHORT}.105_418.96_win10.exe
-  export TOOLKIT="cudatoolkit=${CUDA_SHORT}"
 fi
 
 if [ "${TRAVIS_OS_NAME}" = "windows" ] && [ "$IDX" = "cu102" ]; then
   export CUDA_SHORT=10.2
   export CUDA_URL=https://developer.nvidia.com/compute/cuda/${CUDA_SHORT}/Prod/local_installers
   export CUDA_FILE=cuda_${CUDA_SHORT}.89_441.22_win10
-  export TOOLKIT="cudatoolkit=${CUDA_SHORT}"
 fi
 
 if [ "${TRAVIS_OS_NAME}" = "osx" ] && [ "$IDX" = "cpu" ]; then