[builder] resolving pylint warnings - unused import
    
    addressing:
    ************* Module backend.actions
    W:  6, 0: Unused import glob (unused-import)
    W:  9, 0: Unused import tempfile (unused-import)
    ************* Module backend.mockremote.builder
    W:  3, 0: Unused import socket (unused-import)
    W:  5, 0: Unused import time (unused-import)
    W:  7, 0: Unused import glob (unused-import)
    W: 16, 0: Unused SSHConnectionError imported from sshcmd (unused-import)
    ************* Module backend.daemons.build_dispatcher
    W:  4, 0: Unused import os (unused-import)
    W:  6, 0: Unused import json (unused-import)
    ************* Module backend.daemons.action_dispatcher
    W:  3, 0: Unused import json (unused-import)
    ************* Module backend.daemons.worker
    W:  1, 0: Unused datetime imported from datetime (unused-import)
    W:  2, 0: Unused import json (unused-import)
    W: 12, 0: Unused NoVmAvailable imported from exceptions (unused-import)
    W: 13, 0: Unused BuildJob imported from job (unused-import)
    W: 16, 0: Unused get_redis_connection imported from helpers (unused-import)
    W: 18, 0: Unused VmStates imported from vm_manage (unused-import)
    ************* Module backend.daemons.vm_master
    W:  3, 0: Unused import json (unused-import)
    ************* Module backend.daemons.backend
    W:  5, 0: Unused import signal (unused-import)
    W:  7, 0: Unused import time (unused-import)
    W:  8, 0: Unused defaultdict imported from collections (unused-import)
    W: 13, 0: Unused ConnectionError imported from retask (unused-import)
    W: 18, 0: Unused BuildDispatcher imported from build_dispatcher (unused-import)
    W: 19, 0: Unused ActionDispatcher imported from action_dispatcher (unused-import)