PyTorch script using pip install

tools/pytorch

@@ -63,11 +63,9 @@ install() {
     [ -n "$(which virtualenv)" ] || ${python} -m pip install --force-reinstall --user --quiet virtualenv
     [ -d "${virtualenv}" ] || virtualenv --quiet -p ${python} ${virtualenv}
     source ${virtualenv}/bin/activate
-    pushd "${third_party}/pytorch" > /dev/null
     ${python} -m pip install --quiet future leveldb numpy protobuf pydot python-gflags pyyaml scikit-image setuptools six hypothesis typing tqdm
-    ${python} setup.py install
+    ${python} -m pip install --quiet ${third_party}/pytorch
     ${python} -m pip install --quiet torchvision
-    popd > /dev/null
     deactivate
 }