code: def toXML(self, writer, ttFont):
      formatstring, names, fixes = sstruct.getformat(panoseFormat)
      for name in names:
          writer.simpletag(name, value=getattr(self, name))
          writer.newline()
  
imports: from fontTools.misc import sstruct
  from fontTools.misc.roundTools import otRound
  from fontTools.misc.textTools import safeEval, num2binary, binary2num
  from fontTools.ttLib.tables import DefaultTable
  import bisect
  import logging
label_desc: Use image node_id 2 for calling the Panose obj's underlying member method code with example usage: obj.toXML(writer, ttFont) without return types