Update cscs-checks/apps/vasp/vasp_check.py

Co-authored-by: Vasileios Karakasis <[email protected]>

Author: lucamar

cscs-checks/apps/vasp/vasp_check.py

@@ -119,9 +119,9 @@ def setup_run(self):
         if arch == 'sm_60':
             self.num_gpus_per_node = 1
         elif arch == 'zen2':
-            self.variables += {
+            self.variables.update({
                 'MPICH_OFI_STARTUP_CONNECT': '1'
-            }
+            })
 
         # setup performance references
         self.reference = self.references[self.num_nodes][arch]