Ref #38 trying to make working build pypi

Signed-off-by: Krzysztof Kaźmierczyk <[email protected]>

.travis.yml

@@ -25,6 +25,7 @@ deploy:
   server: https://test.pypi.org
   edge: true # opt in to dpl v2
   skip_existing: true
+  script: build.sh
   distributions: "sdist bdist_wheel"
   on:
    all_branches: true # For testing only. Comment once the script is running