diff -Nru python-cdo-1.3.5/debian/changelog python-cdo-1.3.5/debian/changelog
--- python-cdo-1.3.5/debian/changelog	2018-02-08 13:01:17.000000000 +0000
+++ python-cdo-1.3.5/debian/changelog	2018-02-10 09:18:47.000000000 +0000
@@ -1,3 +1,10 @@
+python-cdo (1.3.5-3ubuntu1) bionic; urgency=medium
+
+  * Add a build-dependency on python-xarray, to prevent build of
+    uninstallable binaries on archs without pandas.
+
+ -- Steve Langasek <steve.langasek@ubuntu.com>  Sat, 10 Feb 2018 09:18:47 +0000
+
 python-cdo (1.3.5-3) unstable; urgency=medium
 
   * Point VCS to salsa.debian.org
diff -Nru python-cdo-1.3.5/debian/control python-cdo-1.3.5/debian/control
--- python-cdo-1.3.5/debian/control	2018-02-08 13:01:17.000000000 +0000
+++ python-cdo-1.3.5/debian/control	2018-02-10 09:18:47.000000000 +0000
@@ -1,7 +1,8 @@
 Source: python-cdo
 Section: utils
 Priority: optional
-Maintainer: Alastair McKinstry <mckinstry@debian.org>
+Maintainer: Ubuntu Developers <ubuntu-devel-discuss@lists.ubuntu.com>
+XSBC-Original-Maintainer: Alastair McKinstry <mckinstry@debian.org>
 Build-Depends: debhelper (>= 10), 
  python3-setuptools, 
  python3-six, 
@@ -9,6 +10,7 @@
  python3-numpy,
  python3-all,
  python3-tk,
+ python3-xarray,
  cdo,
  dh-python, python-numpy
 Standards-Version: 4.1.3