application_vnd.jupyter.stderr_output_1.png
from keras.preprocessing.image import ImageDataGenerator

train_datagen = ImageDataGenerator(rescale=1.0 / 255, shear_range=0.2, zoom_range=0.2, horizontal_flip=True)
x_train = train_datagen.flow_from_directory('../input/diabetic-retinopathy-detection/train.zip.001', batch_size=64)