Update app.py

app.py

@@ -10,7 +10,8 @@ from keras.layers import Flatten
 from keras.layers.convolutional import Convolution2D
 from keras.layers.convolutional import MaxPooling2D
 from sklearn.preprocessing import LabelEncoder, OneHotEncoder
-from keras.preprocessing.image import img_to_array, load_img
+from keras.preprocessing.image import load_img
+from tensorflow.keras.utils import img_to_array
 from keras import backend as K
 from subprocess import check_output
 from sklearn import preprocessing