Issue/pipenv (#277)

* debugging pipenv

* fix image used in Test

* debug message

* force pulling the image

* cleaning : revert to develop

.drone.yml

@@ -56,13 +56,14 @@ steps:
 
 - name: Build API
   image: axarev/parsr-base:${DRONE_BRANCH}
+  pull: always
   environment:
     NODE_ENV: development
   commands:
   - docker/parsr/build.sh
 
 - name: Tests
-  image: axarev/parsr-base
+  image: axarev/parsr-base:${DRONE_BRANCH}
   commands:
   - npm run test