test: Use python3 coding style in monitor-iwd

test/monitor-iwd

@@ -17,7 +17,7 @@ _dbus2py = {
     dbus.Boolean : bool,
     dbus.ByteArray : str,
     dbus.ObjectPath : str
-    }
+}
 
 def dbus2py(d):
     t = type(d)
@@ -39,8 +39,7 @@ def pretty(d):
 
     if t in (dict, tuple, list) and len(d) > 0:
         if t is dict:
-			d = ", ".join(["%s = %s" % (k, pretty(v))
-					for k, v in d.items()])
+            d = ", ".join(["%s = %s" % (k, pretty(v)) for k, v in d.items()])
             return "{ %s }" % d
 
         d = " ".join([pretty(e) for e in d])