Update app.py

app.py

@@ -11,7 +11,7 @@ tokenizer = AutoTokenizer.from_pretrained("nlpconnect/vit-gpt2-image-captioning"
 
 # Load ChatTTS (via inference API)
 CHAT_TTS_API = "https://api-inference.huggingface.co/models/2Noise/ChatTTS"
-headers = {"Authorization": f"Bearer {YOUR_HF_TOKEN}"}
+headers = {"Authorization": f"Bearer {os.getenv('HF_TOKEN')}"}
 
 def generate_caption(image):
     pixel_values = feature_extractor(images=image, return_tensors="pt").pixel_values