Fix.

.gitlab-ci.yml

@@ -13,6 +13,7 @@ variables:
 
 stages:
   - test
+  - deploy_pages
   - deploy_pypi
   - deploy_conda
   - cleanup
@@ -76,7 +77,7 @@ test_py_tools_ds_install:
 
 
 pages:  # this job must be called 'pages' to advise GitLab to upload content to GitLab Pages
-  stage: deploy
+  stage: deploy_pages
   dependencies:
     - test_py_tools_ds
   script: