ignore if dist is missing

Author: obestwalter

tasks/pra.sh

@@ -51,7 +51,7 @@ prep () {
  _confirm "changes to repository o.k.?"
  git commit -m "release preparation for ${VERSION}" || true
  git tag -s ${VERSION} -m "release tox ${VERSION}" || true
- rm dist/tox*
+ rm dist/tox* || true
  python setup.py sdist bdist_wheel
  pip install -U dist/tox-${VERSION}.tar.gz
  tox --version