Fix environment.

.gitlab-ci.yml

 before_script:
   - module add python/3.6.1-2-anaconda
-  - pip install --user pytest-pythonpath pytest-cov
-
 
 stages:
   - unit
@@ -9,4 +7,8 @@ stages:
 unit_tests:
   stage: unit
   script:
+  - conda env remove --name kce_etl
+  - conda env create --file environment.yml
+  - conda activate kce_etl
+  - pip install --user pytest-pythonpath pytest-cov
   - pytest -m unit --cov=./scripts