removed extraneous imports

bin/sheep.py

@@ -7,7 +7,6 @@ import time
 from   multiprocessing.managers import BaseManager
 
 from optparse import OptionParser
-import datetime
 
 import numpy as np
 

bin/shepherd.py

@@ -1,13 +1,10 @@
 #!/usr/bin/env python
 
 import sys
-import os
 
 import time
 
-import shelve
 from   progressbar import *
-from   collections import defaultdict
 from   optparse    import OptionParser
 import pickle
 
@@ -15,9 +12,6 @@ import numpy as np
 
 import interp.bootstrap
 
-import logging
-log = logging.getLogger("interp")
-
 from interp.cluster import QueueManager, get_qs
 
 if __name__ == '__main__':