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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Subscription.pull() fails with KeyError","articleBody":"Hi,\n\nMy code below fails with a KeyError coming from the library:\n\n``` python\n  sub = Subscription(SUBSCRIPTION_NAME, Topic(INCOMING_TOPIC_NAME))\n\n  while True:\n    try:\n      msgs = sub.pull()\n      ...\n    except:\n      msg = 'poll %s: %s' % (SUBSCRIPTION_NAME, traceback.format_exc())\n      print msg\n```\n\nFails with the message:\n\n```\npoll extractors: Traceback (most recent call last):\n  File \"main.py\", line 46, in main\n    msgs = sub.pull()\n  File \"/usr/local/lib/python2.7/dist-packages/gcloud/pubsub/subscription.py\", line 176, in pull\n    for info in response['receivedMessages']]\nKeyError: 'receivedMessages'\n```\n\nThis seems like a bug on the pubsub library code.\n","author":{"url":"https://github.com/campoy","@type":"Person","name":"campoy"},"datePublished":"2015-05-27T21:45:36.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":2},"url":"https://github.com/899/google-cloud-python/issues/899"}