[reportlab-users] Units of topPadding in Frame construactor

[gonandriy]

Hello!
I am sorry, but I can not find this in docs
What units of *Paddings arguments Frame constructor? px, pt, cm.... ?

def __init__(self, x1, y1, width,height, leftPadding=6,
bottomPadding=6,
            rightPadding=6, topPadding=6, id=None, showBoundary=0,
            overlapAttachedSpace=None,_debug=None):