sysmon: Fix unicode_literals

Adopt Google style recommendations for not using the future import and
explicitly declaring unicode strings.

BUG=None
TEST=None

Change-Id: Ifecab137f2b501e71b680b3ff7e786045dd4e2b5
Reviewed-on: https://chromium-review.googlesource.com/514453
Commit-Ready: Allen Li <ayatane@chromium.org>
Tested-by: Allen Li <ayatane@chromium.org>
Reviewed-by: Prathmesh Prabhu <pprabhu@chromium.org>
diff --git a/scripts/sysmon/loop.py b/scripts/sysmon/loop.py
index b472423..081eea8 100644
--- a/scripts/sysmon/loop.py
+++ b/scripts/sysmon/loop.py
@@ -6,7 +6,6 @@
 
 from __future__ import absolute_import
 from __future__ import print_function
-from __future__ import unicode_literals
 
 import time
 
@@ -33,7 +32,7 @@
     try:
       self._callback()
     except Exception:
-      logger.exception('Error during loop.')
+      logger.exception(u'Error during loop.')
 
   def loop_forever(self):
     while True:
@@ -47,6 +46,6 @@
   finished_time = now + secs
   while now < finished_time:
     remaining = finished_time - now
-    logger.debug('Sleeping for %d, %d remaining', secs, remaining)
+    logger.debug(u'Sleeping for %d, %d remaining', secs, remaining)
     time.sleep(remaining)
     now = time.time()