Sean Dague cca1e40e50 Only conditionally import working keyring ...

keyring is conditionally imported if available on your platform,
however not all versions of keyring actually work. Specifically
we have global-requirements of >=2.1,!=3.3, so we know those are
the only versions we believe work.

If you are on an older platform, using system installed
python-keyring, python-keystoneclient won't install a new version,
because it's optional, but then will use a terriblely old verison,
which explodes with dbus errors.

The fix is to be more explicit on import.

Change-Id: I040f7b2311d7d5a450b8b12642752ac519b206fa
Closes-Bug: #1242992

2014-07-17 17:49:47 +02:00

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