annotations.py

# non-ternary; fails coverage
def _make_image_properties_from_pb(image_properties):
    """Create ``ImageProperties`` object from a protobuf response.

    :type image_properties: :class:`~google.cloud.grpc.vision.v1.\
                            image_annotator_pb2.ImagePropertiesAnnotation`
    :param image_properties: Protobuf instance of
                             ``ImagePropertiesAnnotation``.

    :rtype: list
    :returns: List of ``ImageProperties``.
    """
    properties = ImagePropertiesAnnotation.from_pb(image_properties)
    if properties is not None:
        return [properties]
  
# ternary; passes coverage
def _make_image_properties_from_pb(image_properties):
    """Create ``ImageProperties`` object from a protobuf response.

    :type image_properties: :class:`~google.cloud.grpc.vision.v1.\
                            image_annotator_pb2.ImagePropertiesAnnotation`
    :param image_properties: Protobuf instance of
                             ``ImagePropertiesAnnotation``.

    :rtype: list
    :returns: List of ``ImageProperties``.
    """
    properties = ImagePropertiesAnnotation.from_pb(image_properties)
    return [properties] if properties else None