minor bug

NuCLS_dataset.py

@@ -144,14 +144,13 @@ class NuCLSDataset(GeneratorBasedBuilder):
         filepaths = {}
         for filename in filenames:
             filepaths[filename] = {
-                'fov': os.path.join(rgb_dir, filename + '.png'),
+                'rgb': os.path.join(rgb_dir, filename + '.png'),
                 'visualization': os.path.join(visualization_dir, filename + '.png'),
                 'mask': os.path.join(mask_dir, filename + '.png'),
                 'csv': os.path.join(csv_dir, filename + '.csv'),
             }
         return filepaths
 
-
     def _generate_examples(self, filepaths):
         """Yield examples as (key, example) tuples."""