From 2e891861a2b514d0f6b19e4c6e700fbdef76cf20 Mon Sep 17 00:00:00 2001
From: Craig Warren <craig_warren@me.com>
Date: Mon, 4 Sep 2023 11:03:02 +0100
Subject: [PATCH] Fix subgrid arg for CLI

---
 gprMax/config.py | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/gprMax/config.py b/gprMax/config.py
index 8d589a56..f9b1dcf8 100644
--- a/gprMax/config.py
+++ b/gprMax/config.py
@@ -262,8 +262,9 @@ class SimulationConfig:
             # Add pyopencl available device(s)
             self.devices["devs"] = detect_opencl()
 
-        self.general["subgrid"] = self.args.subgrid
-        if self.args.subgrid:
+        # Subgrids
+        try:
+            self.general["subgrid"] = self.args.subgrid
             # Double precision should be used with subgrid for best accuracy
             self.general["precision"] = "double"
             if (self.general["subgrid"] and self.general["solver"] == "cuda") or (
@@ -273,6 +274,8 @@ class SimulationConfig:
                     "You cannot currently use CUDA or OpenCL-based " "solvers with models that contain sub-grids."
                 )
                 raise ValueError
+        except AttributeError:
+            self.general["subgrid"] = False
 
         # Scenes parameter may not exist if user enters via CLI
         try: