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nswamy pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/incubator-mxnet.git


The following commit(s) were added to refs/heads/master by this push:
     new 6abfc70  NPE in BucketingModule when providedLabel of DataBatch is not 
set (#11790)
6abfc70 is described below

commit 6abfc70964432948cb9a122a0f307ffb0abe13dd
Author: Milan Desai <[email protected]>
AuthorDate: Tue Jul 17 22:13:00 2018 -0700

    NPE in BucketingModule when providedLabel of DataBatch is not set (#11790)
    
    NPE in BucketingModule when providedLabel of DataBatch is not set
---
 scala-package/core/src/main/scala/org/apache/mxnet/IO.scala | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/scala-package/core/src/main/scala/org/apache/mxnet/IO.scala 
b/scala-package/core/src/main/scala/org/apache/mxnet/IO.scala
index d9c767c..47fd4ee 100644
--- a/scala-package/core/src/main/scala/org/apache/mxnet/IO.scala
+++ b/scala-package/core/src/main/scala/org/apache/mxnet/IO.scala
@@ -356,6 +356,10 @@ object DataDesc {
   }
 
   implicit def ListMap2Descs(shapes: ListMap[String, Shape]): 
IndexedSeq[DataDesc] = {
-    shapes.map { case (k, s) => new DataDesc(k, s) }.toIndexedSeq
+    if (shapes != null) {
+      shapes.map { case (k, s) => new DataDesc(k, s) }.toIndexedSeq
+    } else {
+      null
+    }
   }
 }

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