[metrics-bugs] #30544 [Metrics/Library]: Using try-with-resources or close resource

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#30544: Using try-with-resources or close resource
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 Reporter:  fava             |          Owner:  metrics-team
     Type:  defect           |         Status:  needs_revision
 Priority:  Medium           |      Milestone:
Component:  Metrics/Library  |        Version:
 Severity:  Major            |     Resolution:
 Keywords:                   |  Actual Points:
Parent ID:                   |         Points:
 Reviewer:                   |        Sponsor:
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Changes (by fava):

 * Attachment "30544-resource-leak-v2.zip" added.

 Version 2 patch

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/30544>
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