Redo iloc command (reduce df to 20 rows).

app.py

@@ -15,9 +15,10 @@ import pandas as pd
 
 # Load first 20 rows of dataset (merve/coco)
 from datasets import load_dataset
-dataset = load_dataset("merve/coco", split='train[0:19]')
+dataset = load_dataset("merve/coco", split='train', stream=True)
 
-df = pd.dataset
+# Reduce dataset to 20 rows
+df = pd.dataset.iloc[0:19]
 
 print ("Print to show the 20 images available.")
 print ("The app will then select an image for further exploration.")