Update app.py

app.py

@@ -18,6 +18,11 @@ DESCRIPTION = "Translate text in manga bubbles!"
 
 
 def predict(img, translation_method, font):
+    if translation_method == None:
+        translation_method = "google"
+    if font == None:
+        font = "fonts/animeace_i.ttf""
+    
     results = detect_bubbles(MODEL, img)
 
     manga_translator = MangaTranslator()