from .simple_broker import _DataBrokerClass, EventQueue, Header
from .handler_registration import register_builtin_handlers

DataBroker = _DataBrokerClass()  # singleton
register_builtin_handlers()

from .simple_broker import (_DataBrokerClass, EventQueue, Header,
                            LocationError, IntegrityError)
from .handler_registration import register_builtin_handlers

DataBroker = _DataBrokerClass()  # singleton
register_builtin_handlers()

Add Errors to the public API.
DOC: Add Errors to the public API.
