SW-612: Correct tab/space and time.sleep use

CEP/Pipeline/framework/lofarpipe/support/utilities.py

@@ -11,7 +11,6 @@
 
 from itertools import islice, repeat, chain
 from contextlib import closing, contextmanager
-from time import sleep
 from random import randint
 import warnings
 
@@ -19,6 +18,7 @@ import os
 import errno
 import shutil
 import sys
+import time
 
 try:
     import subprocess27 as subprocess
@@ -253,7 +253,7 @@ def spawn_process(cmd, logger, cwd = None, env = None, max_tries = 2, max_timeou
                     (timeout, max_tries - trycounter - 1)
                 )
                 trycounter += 1
-                sleep(timeout)
+                time.sleep(timeout)
             else:
                 raise
         else:
@@ -278,7 +278,6 @@ def catch_segfaults(cmd, cwd, env, logger, max = 1, cleanup = lambda: None,
             usageStats.addPID(process.pid)
 
         if 'casa' in cmd[0]:
-	    import time
             while process.returncode is None:
                 process.poll()
                 time.sleep(1)