from allmydata import uri
from twisted.internet.interfaces import IConsumer
-from twisted.protocols import basic
-from foolscap.api import eventually
-from allmydata.interfaces import IImmutableFileNode, ICheckable, \
- IDownloadTarget, IUploadResults
-from allmydata.util import dictutil, log, base32, consumer
-from allmydata.immutable.checker import Checker
+from allmydata.interfaces import IImmutableFileNode, IUploadResults
+from allmydata.util import consumer
from allmydata.check_results import CheckResults, CheckAndRepairResults
from allmydata.util.dictutil import DictOfSets
from pycryptopp.cipher.aes import AES