From fe6e1180a85f0646b164a51919838bb052b5cb2f Mon Sep 17 00:00:00 2001
From: craig-warren <craig_warren@me.com>
Date: Thu, 5 Apr 2018 09:52:12 +0100
Subject: [PATCH] Fixed bug with checking for existence of MPI environment
 argument.

---
 gprMax/gprMax.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gprMax/gprMax.py b/gprMax/gprMax.py
index 143cdcb5..2d3ddbc0 100644
--- a/gprMax/gprMax.py
+++ b/gprMax/gprMax.py
@@ -377,7 +377,7 @@ def run_mpi_sim(args, inputfile, usernamespace, optparams=None):
     # N.B Spawned worker flag (--mpi-worker) applied to sys.argv when MPI.Spawn is called
 
         # Get MPI communicator object either through argument or just get comm_world
-        if args.mpicomm:
+        if hasattr(args, 'mpicomm'):
             comm = args.mpicomm
         else:
             comm = MPI.COMM_WORLD