Update doc-build.yml

installing TARDIS into the doc deployment pipeline

azure-pipelines/doc-build.yml

@@ -65,9 +65,10 @@ jobs:
 # Activate the environment, use sphinx to make the html documentation of the build, and deploy to gh-pages.
   - bash: |
         source activate tardis
+        python setup.py install
         sudo npm install -g github-changes
         echo github-changes -o tardis-sn -r tardis --only-pulls --use-commit-body -f CHANGELOG.md -k $(github_changes_oauth)
         github-changes -o tardis-sn -r tardis --only-pulls --use-commit-body -f CHANGELOG.md -k $(github_changes_oauth)
         bash deploy_docs.sh
     displayName: 'TARDIS build and deployment to gh-pages'
-# See github.com/tardis-sn/tardis for the contents of these files.
+# See github.com/tardis-sn/tardis for the contents of these files.