Update app.py

app.py

@@ -17,6 +17,9 @@ import sys
 from typing import Tuple, List, Union, Optional
 from transformers import GPT2Tokenizer, GPT2LMHeadModel, get_linear_schedule_with_warmup
 import huggingface_hub.constants as hf_constants
+from PIL import Image
+import requests
+
 
 hf_constants.HF_HUB_DOWNLOAD_TIMEOUT = 60