code: def endPrefixMapping(self, prefix):
      self._current_context = self._ns_contexts[-1]
      del self._ns_contexts[-1]
  
imports: import os, urllib.parse, urllib.request
  import io
  import codecs
  from .None import handler
  from .None import xmlreader
label_desc: Use image node_id 7 for calling the XMLGenerator obj's underlying member method code with example usage: obj.endPrefixMapping(prefix) without return types