Fixed indent.

gprMax/utilities.py

@@ -216,7 +216,7 @@ def get_host_info():
         try:
             manufacturer = subprocess.check_output("cat /sys/class/dmi/id/sys_vendor", shell=True).decode('utf-8').strip()
             model = subprocess.check_output("cat /sys/class/dmi/id/product_name", shell=True).decode('utf-8').strip()
-        machineID = manufacturer + ' ' + model
+            machineID = manufacturer + ' ' + model
         except subprocess.CalledProcessError:
             pass