fix(debug): if request fails, prints proper output

main.py

@@ -82,7 +82,7 @@ def main():
             cards, meta = dict_to_anki.image_to_anki(to_process, do_ocr=ocr, lang=args.ocr)
 
             if not cards:
-                print("Error processing! Response: " + meta)
+                print("Error processing! Response: " + str(meta))
                 user_response = input("Retry? [y/N]  > ")
                 if user_response != 'y' or 'yes' or 'Y' or 'YES' or 'Yes':
                     break_outer = True