Update hfserver.py

hfserver.py

@@ -381,7 +381,10 @@ class HuggingFaceDatasetSaver(FlaggingCallback):
                     utils.strip_invalid_filename_characters(component.label),
                 )
                 # filepath = component.deserialize(sample, save_dir, None)
-                filepath = component.deserialize(sample, save_dir, None)  if sample is not None and str(component)!='image' else ""  # not save image
+                if sample is not None and str(component)!='image':
+                    filepath = component.deserialize(sample, save_dir, None)
+                else:
+                    filepath = component.deserialize(sample, None, None)  # not saving image
                 csv_data.append(filepath)
                 if isinstance(component, tuple(file_preview_types)):
                     csv_data.append(