Merge pull request #83 from kormat/util_logging

Reinstate needed logging import, remove 2 unused imports

lib/util.py

@@ -19,9 +19,8 @@
 """
 
 import os
-import signal
+import logging
 import time
-import traceback
 
 from lib.defines import TOPOLOGY_PATH
 from external.stacktracer import trace_start
@@ -163,6 +162,7 @@ def trace():
                         os.environ['SUPERVISOR_PROCESS_NAME'])
     trace_start(path)
 
+
 def timed(limit):
     """
     Decorator to measure to execution time of a function, and log a warning if
@@ -186,6 +186,7 @@ def wrapper(*args, timed_desc=None, **kwargs):
         return wrapper
     return wrap
 
+
 def sleep_interval(start, interval, desc):
     """
     Sleep until the `interval` seconds have elapsed since `start`.