[tor-bugs] #14332 [Core Tor/Chutney]: Use new string formatting interface

[Tor Bug Tracker & Wiki]

#14332: Use new string formatting interface
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 Reporter:  cypherpunks       |          Owner:  cypherpunks
     Type:  defect            |         Status:  needs_revision
 Priority:  Medium            |      Milestone:
Component:  Core Tor/Chutney  |        Version:
 Severity:  Normal            |     Resolution:
 Keywords:                    |  Actual Points:
Parent ID:  #29618            |         Points:
 Reviewer:                    |        Sponsor:
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Changes (by teor):

 * parent:   => #29618


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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/14332#comment:13>
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