From b12f74081a9767aaf02951f84bf08554a59fc83a Mon Sep 17 00:00:00 2001
From: Lawrence Mitchell <lawrence.mitchell@imperial.ac.uk>
Date: Thu, 9 Mar 2017 17:38:41 +0000
Subject: [PATCH] petsc_base: getSubMatrix -> createSubMatrix

PETSc interface change.
---
 pyop2/petsc_base.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/pyop2/petsc_base.py b/pyop2/petsc_base.py
index 1f7ff849b..68c655e4f 100644
--- a/pyop2/petsc_base.py
+++ b/pyop2/petsc_base.py
@@ -607,8 +607,8 @@ def values(self):
         colis = cset.field_ises[self._j]
         base._trace.evaluate(set([self._parent]), set())
         self._parent.assemble()
-        mat = self._parent.handle.getSubMatrix(isrow=rowis,
-                                               iscol=colis)
+        mat = self._parent.handle.createSubMatrix(isrow=rowis,
+                                                  iscol=colis)
         return mat[:, :]
 
     @property