"Core exceptions raised by the Redis client" class RedisError(Exception): pass class AuthenticationError(RedisError): pass class ServerError(RedisError): pass class ConnectionError(ServerError): pass class BusyLoadingError(ConnectionError): pass class InvalidResponse(ServerError): pass class ResponseError(RedisError): pass class DataError(RedisError): pass class PubSubError(RedisError): pass class WatchError(RedisError): pass class NoScriptError(ResponseError): pass class ExecAbortError(ResponseError): pass