Add tags

Author: JesperDramsch

.travis.yml

@@ -1,7 +1,8 @@
 language: python
+cache:
+  pip: true
 jobs:
   include:
-    - stage: "Tests"
     - name: "Linux Python 3.6"
       python: '3.6'
     - name: "Linux Python 3.7"
@@ -27,12 +28,11 @@ install:
   - python -m pip install -r requirements-nogpu.txt
   - python -m pip install --upgrade pytest
 script: python -m pytest tests/unit_tests.py
-
-- stage: "Deploy"  
-  deploy:
-    provider: pypi
-    user: "__token__"
-    password: $pypitoken
-    edge: true
-    on:
-      branch: master
+deploy:
+  provider: pypi
+  user: "__token__"
+  password: $pypitoken
+  edge: true
+  on:
+    branch: master
+    tags: true