text_plain_output_1.png
test_datagen = ImageDataGenerator(rescale=1.0 / 255)
test_generator = test_datagen.flow_from_dataframe(dataframe=sam_sub_df, directory='../input/imet-2020-fgvc7/test', x_col='id', target_size=(img_size, img_size), batch_size=1, shuffle=False, class_mode=None)