def get_wsgierrors(self):
        if not self.cache:
            return pylons.request.environ.get('wsgi.errors')
        elif not self.cached_stream:
            self.cached_stream = pylons.request.environ.get('wsgi.errors')
            return self.cached_stream
        return self.cached_stream
Return the wsgi.errors stream
dataset/ETHPy150Open Pylons/pylons/pylons/log.py/WSGIErrorsHandler.get_wsgierrors