René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"AttributeError: url on Storage Exception when key not found","articleBody":"When attempting to get a key that does not exist the exception for the `NotFoundError` is trying to reference `request.url` which does not exist.\n\n``` py\nTraceback (most recent call last):\n  [...]\n    file_key = self.bucket.get_key(path)\n  File \"gcloud/storage/bucket.py\", line 83, in get_key\n    response = self.connection.api_request(method='GET', path=key.path)\n  File \"gcloud/storage/connection.py\", line 212, in api_request\n    raise exceptions.NotFoundError(response, content)\n  File \"gcloud/storage/exceptions.py\", line 17, in __init__\n    self.message = 'GET %s returned a 404.' % (response.url)\n  File \"httplib2/__init__.py\", line 1680, in __getattr__\n    raise AttributeError, name\nAttributeError: url\n```\n","author":{"url":"https://github.com/Zoramite","@type":"Person","name":"Zoramite"},"datePublished":"2014-05-19T06:25:32.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":2},"url":"https://github.com/93/google-cloud-python/issues/93"}