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Re: [Question #152851]: "ValueError: math domain error" on generate of a graph

To: graphite-dev@xxxxxxxxxxxxxxxxxxx
From: chrismd <question152851@xxxxxxxxxxxxxxxxxxxxx>
Date: Thu, 14 Apr 2011 18:54:31 -0000
Reply-to: question152851@xxxxxxxxxxxxxxxxxxxxx
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Question #152851 on Graphite changed:
https://answers.launchpad.net/graphite/+question/152851

    Status: Open => Answered

chrismd proposed the following answer:
Are you specifying a yMin or yMax parameter on the graph? The problem is
because of a bug that was fixed right after 0.9.8 was released, if you
look in glyph.py at line 598 and add these lines before the "yVariance =
..." line, that will fix it:

    if yMaxValue <= yMinValue:
      yMaxValue = yMinValue + 1

Or just install the latest trunk, that'd work too.

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