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

[Tor Bug Tracker & Wiki]

#19553: Do not plot empty graphs
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     Reporter:  twim                         |      Owner:
         Type:  defect                       |     Status:  new
     Priority:  Medium                       |  Milestone:
    Component:  Metrics/Censorship analysis  |    Version:
     Severity:  Normal                       |   Keywords:
Actual Points:                               |  Parent ID:
       Points:                               |   Reviewer:
      Sponsor:                               |
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 Atlas does plot graphs even if there is no data. It should instead say
 that "No Data Available" for empty datasets.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/19553>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
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