def _GetDeveloperKey(self):
    if 'X-GData-Key' in self.additional_headers:
      return self.additional_headers['X-GData-Key'][4:]
    else:
      return None
Tries to compare want and got as if they were JSON-encoded data
dataset/ETHPy150Open acil-bwh/SlicerCIP/Scripted/attic/PicasaSnap/gdata/youtube/service.py/YouTubeService._GetDeveloperKey--crossover with--dataset/ETHPy150Open cloudera/hue/desktop/core/ext-py/Django-1.6.10/django/test/simple.py/OutputChecker.check_output_json