Removed unused imports

import os

import pty

import errno

import fcntl

import subprocess

import logging

from fcntl import ioctl

import cPickle as pickle

from itertools import imap, chain

from subprocess import Popen, PIPE, STDOUT

import pyev

from sjrpc.utils import pass_connection, threadless

from sjrpc.core.exceptions import RpcError

from cloudcontrol.common.client.tags import Tag, tag_inspector, TagDB

import pyev

import libvirt

from cloudcontrol.common.client.tags import Tag, tag_inspector, TagDB, ParentWrapper

from cloudcontrol.common.client.tags import Tag, tag_inspector, TagDB

from cloudcontrol.node.hypervisor import lib as _libvirt

from cloudcontrol.node.hypervisor.lib import DOMAIN_STATES as STATE

from cloudcontrol.node.hypervisor.domains import vm_tags

from cloudcontrol.node.utils import SocketBuffer

import libvirt

from cloudcontrol.node.utils import and_

from cloudcontrol.common.client.tags import ttl, refresh

logger = logging.getLogger(__name__)

import errno

import logging

import os

import resource

import signal

import subprocess

import sys