Minor formatting fixes

examples/src/main/scala/spark/examples/SparkALS.scala

@@ -75,8 +75,8 @@ object SparkALS {
 
     (0 to 5).map(i => {
       i match {
-        case a if a < args.length => Option(args(a))
-        case _ => Option(null)
+        case a if a < args.length => Some(args(a))
+        case _ => None
       }
     }).toArray match {
       case Array(host_, m, u, f, iters, slices_) => {

python/examples/als.py

@@ -68,4 +68,4 @@ if __name__ == "__main__":
 
         error = rmse(R, ms, us)
         print "Iteration %d:" % i 
-        print "\nRMSE: %5.4f\n" % error
\ No newline at end of file
+        print "\nRMSE: %5.4f\n" % error