Updates distribution value with quotes

According to the TravisCI docs, adding the quotes to the distributions value is how we can prescribe multiple sources to upload to Pypi. By default it will only do a source distribution sdist.

Author: avelis

.travis.yml

@@ -40,5 +40,5 @@ deploy:
     secure: amY+WgU7S4RD/8S4rDz6/Gso1bucyqWWdCfG5RXHxD1mBcOIBjfiVmDkbiOxODany3KS5Hmo3mvXjOlpgmhuxw2iWdG1o059pMh8PH7I2WwHTliUSGwIshFIUmAivrh1mq9qUsHfsGpPow3AaxFB7G/FnrAQjedTTGYfN5ZnI/k=
   on:
     tags: true
-    distributions: sdist bdist_wheel
+    distributions: "sdist bdist_wheel"
     repo: zapier/django-rest-hooks