dataset script

sagan-mc.py

@@ -100,8 +100,18 @@ class SaganMC(datasets.GeneratorBasedBuilder):
         ]
 
     def _generate_examples(self, filepath, split_name):
+        numeric_fields = [
+            "num_atoms", "num_atoms_all", "num_bonds", "num_bonds_all", "num_rings", "num_aromatic_rings",
+            "physchem_mol_weight", "physchem_logp", "physchem_tpsa", "physchem_qed",
+            "physchem_h_acceptors", "physchem_h_donors", "physchem_rotatable_bonds", "physchem_fraction_csp3",
+            "complex_ma_score", "complex_ma_runtime", "complex_bertz_score", "complex_bertz_runtime",
+            "complex_boettcher_score", "complex_boettcher_runtime", "synth_sa_score"
+        ]
         with open(filepath, encoding="utf-8") as f:
             reader = csv.DictReader(f)
             for idx, row in enumerate(reader):
                 if row["split"] == split_name:
+                    for field in numeric_fields:
+                        if field in row and row[field] == "":
+                            row[field] = None
                     yield idx, row