Fix IndentationError when setting interface in scapy driver

Change-Id: I02acfb94f503de1e473bbde04cc023e72eff87de
diff --git a/TestON/drivers/common/cli/emulator/scapyclidriver.py b/TestON/drivers/common/cli/emulator/scapyclidriver.py
index 418aa9e..96b9c17 100644
--- a/TestON/drivers/common/cli/emulator/scapyclidriver.py
+++ b/TestON/drivers/common/cli/emulator/scapyclidriver.py
@@ -718,7 +718,7 @@
             # TODO: add all params, or use kwargs
             ifaceName = str( ifaceName ) if ifaceName else self.ifaceName
             # Set interface
-            self.handle.sendline( ' conf.iface = "' + ifaceName + '"' )
+            self.handle.sendline( 'conf.iface = "' + ifaceName + '"' )
             self.handle.expect( self.scapyPrompt )
             cmd = 'pkt = sniff(count = ' + str( sniffCount ) +\
                   ', filter = "' + str( pktFilter ) + '")'