#3200 add if statement to handle tabs

pybamm/solvers/processed_variable.py

@@ -353,6 +353,9 @@ def _process_spatial_variable_names(self, spatial_variable):
         # Extract names
         raw_names = []
         for var in spatial_variable:
+            # Ignore tabs in domain names
+            if var == "tabs":
+                continue
             if isinstance(var, str):
                 raw_names.append(var)
             else: