Bug#867026: xtensor-python: Autopkgtest fails with multiple supported Python 3 versions

[Dmitry Shachnev]

Source: xtensor-python
Version: 0.12.1-1

Dear maintainer,

The current test logic in xtensor-python looks like this:

for py in $(py3versions -r 2>/dev/null); do
  cd "$AUTOPKGTEST_TMP";
  mkdir build && cd build;
  ...
done

When py3versions returns two versions (like in the current sid, where we
have Python 3.5 and 3.6), it fails with:

  mkdir: cannot create directory ‘build’: File exists

You need to either use ‘mkdir -p’, or ‘rm -rf build’ before creating it.

--
Dmitry Shachnev
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