Fix mypy error

Author: bosd

src/odoo_data_flow/import_threaded.py

@@ -902,18 +902,22 @@ def _execute_load_batch(  # noqa: C901
                     "message", "Batch load failed."
                 )
                 log.error(f"Capturing load failure for fail file: {error_msg}")
-                # We'll add the failed lines to aggregated_failed_lines at the end
-
-            # Use sanitized IDs for the id_map to match what was actually sent to Odoo
-            id_map = {
-                to_xmlid(line[uid_index]): created_ids[i]
-                if i < len(created_ids)
-                else None
-                for i, line in enumerate(current_chunk)
-            }
-
-            # Remove None entries (failed creations) from id_map
-            id_map = {k: v for k, v in id_map.items() if v is not None}
+                # We'll add the failed lines to aggregated_failed_lines
+                # at the end
+
+            id_map = {}
+            for i, line in enumerate(current_chunk):
+                # Ensure there's a corresponding created ID and that
+                # it's a valid integer.
+                # The 'incompatible type' error happens when the
+                # value could be None.
+                if i < len(created_ids) and created_ids[i] is not None:
+                    sanitized_id = to_xmlid(line[uid_index])
+                    db_id = created_ids[i]
+                    id_map[sanitized_id] = db_id
+
+            # The update call remains the same and will now be type-safe.
+            aggregated_id_map.update(id_map)
 
             # Log id_map information for debugging
             log.debug(f"Created {len(id_map)} records in batch {batch_number}")