Update test-latent-diffusion-dataset.py

test-latent-diffusion-dataset.py

@@ -194,4 +194,4 @@ class TestLatentDiffusionDataset(datasets.GeneratorBasedBuilder):
                 "image": {"path": filepath, "bytes": image.read()},
                 "text": descriptions[idx]
             }
-        idx += 1
+            idx += 1