291 

   291 

   292 

   292 

   293 def _iteritems(data):

   293 def _iteritems(data):

   294     '''iterate key-value pairs in stable order'''

   294     '''iterate key-value pairs in stable order'''

   295     if isinstance(data, dict):

   295     if isinstance(data, dict):

   297     return data

   297     return data

   298 

   298 

   299 

   299 

   300 class _plainconverter(object):

   300 class _plainconverter(object):

   301     '''convert non-primitive data types to text'''

   301     '''convert non-primitive data types to text'''