From 5c33f75bdfb2f7c1a2f125f57a9baf2b9d385751 Mon Sep 17 00:00:00 2001
From: jlstevens <jlstevens@ed.ac.uk>
Date: Thu, 20 Jul 2017 21:42:28 +0100
Subject: [PATCH] Fixed clone on NdLayout to propagate cols properly

---
 holoviews/core/layout.py | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/holoviews/core/layout.py b/holoviews/core/layout.py
index ae6bada6ec..7afa715780 100644
--- a/holoviews/core/layout.py
+++ b/holoviews/core/layout.py
@@ -339,6 +339,18 @@ def last(self):
         return self.clone(last_items)
 
 
+    def clone(self, *args, **overrides):
+        """
+        Clone method for NdLayout matches Dimensioned.clone except the
+        display mode is also propagated.
+        """
+        clone = super(NdLayout, self).clone(*args, **overrides)
+        clone._max_cols = self._max_cols
+        clone.id = self.id
+        return clone
+
+
+
 # To be removed after 1.3.0
 class Warning(param.Parameterized): pass
 collate_deprecation = Warning(name='Deprecation Warning')