Example Travis build stage diff

.travis.yml.diff

@@ -17,3 +17,18 @@
     - python: '3.7'
     - python: '3.6'
     - python: '3.5'
+
+    - stage: release
+      if: tag IS present
+      deploy:
+        provider: pypi
+        user: praekelt.org
+        password:
+          secure: <encrypted password>
+        distributions: sdist bdist_wheel
+        on:
+          tags: true
+
+      install: skip
+      script: skip
+      after_success: skip