utils: raspberrypi: ctt: Fix pycodestyle E228

E228 missing whitespace around modulo operator

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: David Plowman <david.plowman@raspberrypi.com>

utils/raspberrypi/ctt/ctt_tools.py

@@ -53,7 +53,7 @@ argument parser
 """
 def parse_input():
     arguments = sys.argv[1:]
-    if len(arguments)%2 != 0:
+    if len(arguments) % 2 != 0:
         raise ArgError('\n\nERROR! Enter value for each arguent passed.')
     params = arguments[0::2]
     vals = arguments[1::2]