Fix paths for Windows

chebi_nactem.py

@@ -13,7 +13,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import os
+import os.path
 from pathlib import Path
 from typing import Dict, List, Tuple
 
@@ -150,9 +150,9 @@ class ChebiNactemDatasset(datasets.GeneratorBasedBuilder):
         data_dir = dl_manager.download_and_extract(urls)
 
         subset_paths = {
-            "chebi_nactem_abstr_ann1": "ChEBI/abstracts/Annotator1",
-            "chebi_nactem_abstr_ann2": "ChEBI/abstracts/Annotator2",
-            "chebi_nactem_fullpaper": "ChEBI/fullpapers",
+            "chebi_nactem_abstr_ann1": os.path.join("ChEBI", "abstracts", "Annotator1"),
+            "chebi_nactem_abstr_ann2": os.path.join("ChEBI", "abstracts", "Annotator2"),
+            "chebi_nactem_fullpaper": os.path.join("ChEBI", "fullpapers"),
         }
 
         subset_dir = Path(data_dir) / subset_paths[self.config.subset_id]