Wrong breaking columns in ReportLab RML

问题

i have set page template like this(split page by two columns)

    <pageTemplate id="secondary">
        <frame id="columnLeft" x1="15mm" y1="15mm" width="90mm" height="267mm"/>
        <frame id="columnRight" x1="114mm" y1="15mm" width="90mm" height="267mm"/>
    </pageTemplate>

Problem is that when content is breaking on the second page it first goes to the left column, even if it was in the right column.

I just need that content from left column on page break was moved to the left column on next page and content from right column to the right.

来源：https://stackoverflow.com/questions/25821336/wrong-breaking-columns-in-reportlab-rml