Remove reference to _grid_size increment (bug fix)

fluidnumericsJoe · fluidnumericsJoe · commit caf45332b24f · 2025-04-21T12:10:15.000-04:00
diff --git a/parcels/fieldset.py b/parcels/fieldset.py
@@ -139,7 +139,6 @@ def add_field(self, field: Field, name: str | None = None):
             raise RuntimeError(f"FieldSet already has a Field with name '{name}'")
         else:
             setattr(self, name, field)
-            self._gridset_size += 1
             self._fieldnames.append(name)
 
     def add_constant_field(self, name: str, value, mesh: Mesh = "flat"):
