def IgnoreHeadersRewriter(response):
  for h in _IGNORE_RESPONSE_HEADERS:
    if h in response.headers:
      del response.headers[h]
Return xml.etree.ElementTree.Element representing the resource
dataset/ETHPy150Open AppScale/appscale/AppServer/google/appengine/tools/dev_appserver.py/IgnoreHeadersRewriter--crossover with--dataset/ETHPy150Open resync/resync/resync/sitemap.py/Sitemap.resource_etree_element