fix: ci

.drone.yml

@@ -73,6 +73,7 @@ steps:
     settings:
       mirror: https://docker.mirrors.ustc.edu.cn
     commands:
+      - ln -s /usr/bin/python2 /usr/bin/python
       - python --version
       - npm config set registry https://registry.npm.taobao.org
       - npm config set sass_binary_site https://npm.taobao.org/mirrors/node-sass/