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-rw-r--r--mllib/src/main/scala/org/apache/spark/ml/feature/PCA.scala2
1 files changed, 1 insertions, 1 deletions
diff --git a/mllib/src/main/scala/org/apache/spark/ml/feature/PCA.scala b/mllib/src/main/scala/org/apache/spark/ml/feature/PCA.scala
index 759be813ee..f653798b46 100644
--- a/mllib/src/main/scala/org/apache/spark/ml/feature/PCA.scala
+++ b/mllib/src/main/scala/org/apache/spark/ml/feature/PCA.scala
@@ -180,7 +180,7 @@ object PCAModel extends MLReadable[PCAModel] {
val metadata = DefaultParamsReader.loadMetadata(path, sc, className)
// explainedVariance field is not present in Spark <= 1.6
- val versionRegex = "([0-9]+)\\.([0-9])+.*".r
+ val versionRegex = "([0-9]+)\\.([0-9]+).*".r
val hasExplainedVariance = metadata.sparkVersion match {
case versionRegex(major, minor) =>
(major.toInt >= 2 || (major.toInt == 1 && minor.toInt > 6))