[pypi] Include compiled translations on Pypi pkg (apache#9567)

RELEASING/README.md

@@ -292,9 +292,9 @@ with the changes on `CHANGELOG.md` and `UPDATING.md`.
 
 ### Publishing a Convenience Release to PyPI
 
-From the root of the repo running ./pypi_push.sh will build the
-Javascript bundle and echo the twine command allowing you to publish
-to PyPI. You may need to ask a fellow committer to grant
+Using the final release tarball, unpack it and run `./pypi_push.sh`.
+This script will build the Javascript bundle and echo the twine command 
+allowing you to publish to PyPI. You may need to ask a fellow committer to grant
 you access to it if you don't have access already. Make sure to create
 an account first if you don't have one, and reference your username
 while requesting access to push packages.

pypi_push.sh

@@ -21,6 +21,13 @@ git branch
 rm superset/static/assets/*
 cd superset-frontend/
 npm ci && npm run build
-cd ../..
+cd ../
+echo "----------------------"
+echo "Compiling translations"
+echo "----------------------"
+flask fab babel-compile --target superset/translations
+echo "----------------------"
+echo "Creating distribution "
+echo "----------------------"
 python setup.py sdist
 echo "RUN: twine upload dist/apache-superset-{SUPERSET_VERSION}.tar.gz"