Update vasr.py

vasr.py

@@ -114,8 +114,7 @@ class Vasr(datasets.GeneratorBasedBuilder):
             r_dict["A'_str"] = r_dict['B_img']
             r_dict["B_str"] = r_dict['C_img']
             r_dict["B'_str"] = r_dict['D_img']
-            img_list = ['A_img', 'B_img', 'C_img', 'D_img']
-            for img in :
+            for img in ['A_img', 'B_img', 'C_img', 'D_img']:
                 if r_dict[img] == self.HIDDEN_LABEL:
                     r_dict[img] = os.path.join(images_dir, "vasr_images", QMARK_IMG)
                 else: