Update winogavil.py

winogavil.py

@@ -105,7 +105,7 @@ class Winogavil(datasets.GeneratorBasedBuilder):
             df[c] = df[c].apply(json.loads)
 
         for r_idx, r in df.iterrows():
-            candidates_images = [get_img_url(x) for x in candidates]
+            candidates_images = [get_img_url(x) for x in r['candidates']]
             r['candidates_images'] = candidates_images
             key = r['ID']
             del r['images_source']