Revision dd7ea762 lib/config.py

b/lib/config.py
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      new_resource = generate_one_fn()
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      if new_resource is not None and new_resource not in all_elems:
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        break
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      retries -= 1
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    else:
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      raise errors.ConfigurationError("Not able generate new resource"
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                                      " (last tried: %s)" % new_resource)

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