code: def fromXML(self, name, attrs, content, ttFont):
      self.decompile(readHex(content), ttFont)
  
imports: from fontTools.ttLib import getSearchRange
  from fontTools.misc.textTools import safeEval, readHex
  from fontTools.misc.fixedTools import fixedToFloat, floatToFixed
  from .None import DefaultTable
  import struct
  import sys
  import array
  import logging
label_desc: Use image node_id 5 for calling the KernTable_format_unkown obj's underlying member method code with example usage: obj.fromXML(name, attrs, content, ttFont) without return types