From d8e17568b14551fdba71b22c91e71d4d8730e052 Mon Sep 17 00:00:00 2001
From: Michael Kuron <mkuron@icp.uni-stuttgart.de>
Date: Thu, 30 Apr 2020 16:58:54 +0200
Subject: [PATCH] Fix importing boundaryhandling if waLBerla module is
 available but without cpp_available

---
 pystencils/boundaries/boundaryhandling.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/pystencils/boundaries/boundaryhandling.py b/pystencils/boundaries/boundaryhandling.py
index 5a60ca6eb..e16400635 100644
--- a/pystencils/boundaries/boundaryhandling.py
+++ b/pystencils/boundaries/boundaryhandling.py
@@ -17,6 +17,8 @@ try:
     import waLBerla as wlb
     if wlb.cpp_available:
         from pystencils.datahandling.parallel_datahandling import ParallelDataHandling
+    else:
+        ParallelDataHandling = None
 except ImportError:
     ParallelDataHandling = None
 
-- 
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