Update app.py

app.py

@@ -130,11 +130,15 @@ def distortion_free_resize(image, img_size):
   image = tf.image.flip_left_right(image)
   return image
 
-def decode_batch_predictions(img_path):
-    
-    img_size=(128, 32)
-    input_image = tf.io.read_file(img_path)
-    input_image = tf.io.decode_png(input_image, channels=1)
+def download_and_read_image(url):
+    img_path = tf.keras.utils.get_file(os.path.basename(url), origin=url)
+    img = tf.io.read_file(img_path)
+    return img, img_path
+
+def decode_batch_predictions(img_url):
+    img, img_path = download_and_read_image(img_url)
+    img_size=(128, 32
+    input_image = tf.io.decode_png(img, channels=1)
     input_image = distortion_free_resize(input_image, img_size)
     input_image = tf.image.convert_image_dtype(input_image, tf.float32)/255.0