Numpy 2.0

Numpy 2.0 introduces a proper repr of numpy data types

.gitlab-ci.yml

 # we use the oldest compatible version
-image: python:3.8-slim
+image: python:3.9-slim
 
 before_script:
   - python -m pip install hatch
@@ -39,7 +39,7 @@ pages:
 
 pypi:
   stage: deploy
-  needs: 
+  needs:
     - job: "build"
       artifacts: true
   script: