René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Using google.cloud.operation for GAPIC Speech async?","articleBody":"I've been struggling today with the right way to implement this.\nI can't seem to `make_secure_stub` for speech.\n\nThis is the error I get...\n\n```\nFile \"/Users/daspecster/Documents/google/google-cloud-py-2/.tox/py27/lib/python2.7/site-packages/google_cloud_speech-0.20.0.dev0-py2.7.egg/google/cloud/speech/_gax.py\", line 92, in async_recognize\n    OPERATIONS_API_HOST)\n  File \"/Users/daspecster/Documents/google/google-cloud-py-2/.tox/py27/lib/python2.7/site-packages/google_cloud_core-0.20.0-py2.7.egg/google/cloud/_helpers.py\", line 642, in make_secure_stub\n    transport_creds = grpc.ssl_channel_credentials()\nAttributeError: 'module' object has no attribute 'ssl_channel_credentials'\n```\n\nExample code:\n\n``` python\n        config = RecognitionConfig(\n            encoding=sample.encoding, sample_rate=sample.sample_rate,\n            language_code=language_code, max_alternatives=max_alternatives,\n            profanity_filter=profanity_filter,\n            speech_context=SpeechContext(phrases=speech_context))\n\n        audio = RecognitionAudio(content=sample.content,\n                                 uri=sample.source_uri)\n        self._client._operations_stub = make_secure_stub(\n            self._client.connection.credentials,\n            DEFAULT_USER_AGENT,\n            operations_grpc.OperationsStub,\n            OPERATIONS_API_HOST)\n\n        api = self._gapic_api\n        operation = api.sync_recognize(config=config, audio=audio)\n        return Operation.from_pb(operation, self._client)\n```\n\nLooking at the [sample example](https://github.com/GoogleCloudPlatform/python-docs-samples/blob/2da1c09b056798dd54be7106010f9d5610952bef/speech/grpc/transcribe_async.py#L32-L51) it seems like the channel creation is different than it is in our [`_helpers.make_secure_stub`](https://github.com/GoogleCloudPlatform/google-cloud-python/blob/b2662c1ac0e91b4c2193f4ac0b929aa957b8cfc4/core/google/cloud/_helpers.py#L620)\n","author":{"url":"https://github.com/daspecster","@type":"Person","name":"daspecster"},"datePublished":"2016-10-27T02:22:04.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":6},"url":"https://github.com/2629/google-cloud-python/issues/2629"}