Update app.py

app.py

@@ -8,7 +8,10 @@ labels = ['american_football', 'baseball', 'basketball', 'billiard_ball', 'bowli
                      'table_tennis_ball', 'tennis_ball', 'volleyball']
 
 def predict_image(inp):
-    img = tf.image.resize(inp, (224, 224))
+    if inp is not None:
+        img = tf.image.resize(inp, (224, 224))
+    else:
+        print("Input is None. Unable to resize.")
     img = tf.keras.preprocessing.image.img_to_array(img)
     img = np.expand_dims(img, axis=0)