Corrects a whitespace typo

StuntsPT · StuntsPT · commit 14c44e67e0b2 · 2018-06-07T11:21:33.000+01:00
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
@@ -46,4 +46,4 @@ deployment:
         - python setup.py sdist
         - twine upload dist/* -u Stunts -p $pypi_password
     only:
-        -master  # Make sure this only happens in `master`
+        - master  # Make sure this only happens in `master`
