Update durhamtrees.py

durhamtrees.py

@@ -79,18 +79,18 @@ class DurhamTrees(DatasetBuilder):
             citation="Citation for the dataset",
         )
 
-    def _split_generators(self, dl_manager: DownloadManager):
+    def _split_generators(self, dl_manager: datasets.DownloadManager):
 
         urls_to_download = self._URLS  # This should now work as _URLS is defined
 
         downloaded_files = dl_manager.download_and_extract(urls_to_download)
 
         return [
-            SplitGenerator(name=Split.TRAIN, gen_kwargs={
+            datasets.SplitGenerator(name=Split.TRAIN, gen_kwargs={
                 "csv_path": downloaded_files["csv"],
                 "geojson_path": downloaded_files["geojson"]
             }),
-            # If you have additional splits, define them here
+            datasets.SplitGenerator(name=datasets.Split.VALIDATION, gen_kwargs={"geojson_path": downloaded_files["geojson"]}),
         ]
 
     def _generate_examples(self, csv_path, geojson_path):