enabled eager execution

app.py

@@ -12,6 +12,8 @@ from tensorflow.keras.preprocessing.image import load_img, img_to_array
 from tensorflow.keras.models import Sequential
 from tensorflow.keras.layers import Dense, Dropout, Flatten, Conv2D, MaxPool2D, BatchNormalization, Input
 
+tf.enable_eager_execution()
+
 def get_waveform_label(file):
     #lab = tf.strings.split(file, os.path.sep)[-2]
     audio_binary = tf.io.read_file(file)