adding numpy in code-analysis

.drone.yml

@@ -18,6 +18,7 @@ steps:
     #image: python:3.7
     image: hub.codefirst.iut.uca.fr/thomas.bellembois/codefirst-dronesonarplugin-python37
     commands:
+      - pip install numpy
       #- pip install nose
       #- pip install coverage
       #- pip install parameterized