Missed one ..

Author: rxin

mllib/src/main/scala/org/apache/spark/ml/classification/LogisticRegression.scala

@@ -132,10 +132,10 @@ class LogisticRegressionModel private[ml] (
   override def transform(dataset: DataFrame, paramMap: ParamMap): DataFrame = {
     transformSchema(dataset.schema, paramMap, logging = true)
     val map = this.paramMap ++ paramMap
-    val scoreFunction = udf((v: Vector) => {
+    val scoreFunction = udf { v: Vector => {
       val margin = BLAS.dot(v, weights)
       1.0 / (1.0 + math.exp(-margin))
-    } : Double)
+    }
     val t = map(threshold)
     val predictFunction = udf { score: Double =>
       if (score > t) 1.0 else 0.0