Merge pull request pytorch#239 from pjh5/smoke

Test fix to smoke tests

Author: pjh5

smoke_test.sh

@@ -95,8 +95,8 @@ fi
 if [[ "$PACKAGE_TYPE" == 'libtorch' ]]; then
   mkdir tmp_libtorch
   pushd tmp_libtorch
-  curl -o libtorch "https://download.pytorch.org/libtorch/nightly/$DESIRED_CUDA/$package_name"
-  unzip -q libtorch
+  curl -o libtorch_zip "https://download.pytorch.org/libtorch/nightly/$DESIRED_CUDA/$package_name"
+  unzip -q libtorch_zip
 elif [[ "$PACKAGE_TYPE" == 'conda' ]]; then
   if [[ "$DESIRED_CUDA" == 'cpu' || "$DESIRED_CUDA" == 'cu90' ]]; then
     conda install -yq -c pytorch "$package_name_and_version"