(pip) Small fix

.gitlab-ci.yml

 default:
     image: rboman/waves-py3:2020.3
     before_script:
-        before_script:
         - curl https://bootstrap.pypa.io/get-pip.py -o get-pip.py
         - python3 get-pip.py
         - python3 -m pip install scipy==1.11.3 --user