Delete unused imports.

src/allmydata/introducer/server.py

@@ -29,7 +29,7 @@ from twisted.python.failure import Failure
 from foolscap.api import Referenceable
 import allmydata
 from allmydata import node
-from allmydata.util import log, rrefutil, dictutil
+from allmydata.util import log, dictutil
 from allmydata.util.i2p_provider import create as create_i2p_provider
 from allmydata.util.tor_provider import create as create_tor_provider
 from allmydata.introducer.interfaces import \

src/allmydata/test/test_consumer.py

@@ -17,7 +17,7 @@ from zope.interface import implementer
 from twisted.trial.unittest import TestCase
 from twisted.internet.interfaces import IPushProducer, IPullProducer
 
-from allmydata.util.consumer import MemoryConsumer, download_to_data
+from allmydata.util.consumer import MemoryConsumer
 
 
 @implementer(IPushProducer)

src/allmydata/test/test_util.py

@@ -17,7 +17,6 @@ import yaml
 import json
 
 from twisted.trial import unittest
-from twisted.internet import defer
 from foolscap.api import Violation, RemoteException
 
 from allmydata.util import idlib, mathutil

src/allmydata/util/rrefutil.py

@@ -10,7 +10,7 @@ from future.utils import PY2
 if PY2:
     from future.builtins import filter, map, zip, ascii, chr, hex, input, next, oct, open, pow, round, super, bytes, dict, list, object, range, str, max, min  # noqa: F401
 
-from foolscap.api import Violation, RemoteException, SturdyRef
+from foolscap.api import Violation, RemoteException
 
 
 def add_version_to_remote_reference(rref, default):