class AuthenticationError(Exception): pass class AssetNotAvailable(Exception): pass class TooManyRequests(Exception): pass class URLNotAvailable(Exception): pass class StreamNotAvailable(Exception): pass class MetadataNotAvailable(Exception): pass class ObjectNotFound(Exception): pass class UnknownManifestFormat(Exception): pass class ManifestDecodeError(Exception): pass class MPDNotAvailableError(Exception): pass class InvalidISRC(Exception): pass class InvalidUPC(Exception): pass