From 45f5b25e6d4cf85ccd23523371ae0e1796f559ca Mon Sep 17 00:00:00 2001
From: Deepak Kumar <deepakkumar1984@gmail.com>
Date: Sun, 19 Jan 2020 08:13:29 +1030
Subject: [PATCH] FIxed build error

---
 src/TensorFlowNET.Keras/Metrics/MeanTensor.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/TensorFlowNET.Keras/Metrics/MeanTensor.cs b/src/TensorFlowNET.Keras/Metrics/MeanTensor.cs
index 283b516f..114329b1 100644
--- a/src/TensorFlowNET.Keras/Metrics/MeanTensor.cs
+++ b/src/TensorFlowNET.Keras/Metrics/MeanTensor.cs
@@ -22,7 +22,7 @@ namespace Tensorflow.Keras.Metrics
             }
         }
 
-        public MeanTensor(int num_classes, string name = "mean_tensor", string dtype) : base(name, dtype)
+        public MeanTensor(int num_classes, string name = "mean_tensor", string dtype = null) : base(name, dtype)
         {
         }