Fix a help string in nova-manage
Fix a help string of the '--before' argument in the 'nova-manage db purge' command. Change-Id: I21845c52e09bb794e52bd7375fb70a498aab92ed Closes-Bug: #1802167
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@ -589,7 +589,7 @@ Error: %s""") % six.text_type(e))
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# NOTE(danms): Return nonzero if we archived something
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return int(bool(table_to_rows_archived))
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@args('--before', dest='before',
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@args('--before', metavar='<before>', dest='before',
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help='If specified, purge rows from shadow tables that are older '
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'than this. Fuzzy time specs are allowed')
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@args('--all', dest='purge_all', action='store_true',
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