[tor-bugs] #19553 [Metrics/Atlas]: Do not plot empty graphs

[Tor Bug Tracker & Wiki]

#19553: Do not plot empty graphs
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 Reporter:  twim           |          Owner:  irl
     Type:  defect         |         Status:  assigned
 Priority:  Medium         |      Milestone:
Component:  Metrics/Atlas  |        Version:
 Severity:  Normal         |     Resolution:
 Keywords:                 |  Actual Points:
Parent ID:                 |         Points:
 Reviewer:                 |        Sponsor:
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Changes (by RaBe):

 * owner:  RaBe => irl
 * status:  needs_review => assigned


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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/19553#comment:21>
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