update pipeline for master branch

.drone.yml

@@ -10,8 +10,8 @@ volumes:
   - name: cache 
     host:
       path: /tmp/cache
+      
 steps:
-
 - name: build
   image: python:3
   commands:
@@ -23,7 +23,7 @@ steps:
   commands:
     - pip install -r requirements.txt
     - python run_excel_re.py
-    - ls -lR test_Report 
+    - ls -lR test_Report
     - cp -r test_Report/* /tmp/cache
   volumes:
     - name: cache