Re-order imports to make pylint happy

Change-Id: I4c54be3f13d13558d6beed36dcc6cfccf3a19f5f
diff --git a/drivers/NetgearXSM.py b/drivers/NetgearXSM.py
index 48556a7..b3241d5 100644
--- a/drivers/NetgearXSM.py
+++ b/drivers/NetgearXSM.py
@@ -18,9 +18,9 @@
 #  MA 02110-1301, USA.
 
 import logging
-import pexpect
 import sys
 import re
+import pexpect
 
 # Netgear XSM family driver
 # Developed and tested against the XSM7224S in the Linaro LAVA lab