Fix indentation error

cell_benchmark.py

@@ -67,15 +67,15 @@ class Cellsegmentation(datasets.GeneratorBasedBuilder):
     return splits
 
 
-   def _generate_examples(self, files, masks, split):
-     mask_path = os.path.basename(masks)
-     for i, path in enumereate(files):
-       file_name = os.path.basename(path)
-       yield i, {
-         "image": path,
-         "masks": mask_path + "mask_" + file_name.replace("jpg", "png"),
-         "path": path,
-       }
+  def _generate_examples(self, files, masks, split):
+    mask_path = os.path.basename(masks)
+    for i, path in enumereate(files):
+      file_name = os.path.basename(path)
+        yield i, {
+           "image": path,
+           "masks": mask_path + "mask_" + file_name.replace("jpg", "png"),
+           "path": path,
+        }