Print Min and Max Value from Vol Houdini

node = hou.selectedNodes()[0]
geo = node.geometry()
prims = geo.prims()
newGeo = hou.Geometry()
convertvdb_verb = hou.sopNodeTypeCategory().nodeVerb("convertvdb")
for p in prims:
    if('VDB' in str(p.type())):
        convertvdb_verb.execute(newGeo, [geo])
        prims2 = newGeo.prims()
        for pp in prims2:
            maxVal = pp.volumeMax()
            minVal = pp.volumeMin()
            print(pp.attribValue('name') + ": " + "Max: " + str(maxVal) + " Min: " + str(minVal))
        break
    else:
        maxVal = p.volumeMax()
        minVal = p.volumeMin()
        print(p.attribValue('name') + ": " + "Max: " + str(maxVal) + " Min: " + str(minVal))