added build_ext in build script

pipelines/build.sh

@@ -26,7 +26,7 @@ pip install -r requirements.txt
 
 echo "===================== install package ====================="
 rm -rf dist
-#python setup.py build_ext --inplace
+python setup.py build_ext --inplace
 #python setup.py install
 python setup.py sdist
 pip install dist/*.tar.gz --force-reinstall