drop install scipy

tools/scripts/ipipe_py3.sh

@@ -203,7 +203,6 @@ function before_hook() {
 function run_env() {
     setproxy
     ${py_version} -m pip install nltk==3.4 -i https://mirror.baidu.com/pypi/simple
-    ${py_version} -m pip install scipy==1.2.1 -i https://mirror.baidu.com/pypi/simple
     ${py_version} -m pip install setuptools==41.0.0 -i https://mirror.baidu.com/pypi/simple
     ${py_version} -m pip install paddlehub -i https://mirror.baidu.com/pypi/simple
     if [ ${py_version} == "python3.6" ]; then