Update app.py

app.py

@@ -5,7 +5,7 @@ from transformers import pipeline
 
 
 # Get the Hugging Face token from environment variables
-hf_token = os.getenv("gpt2_tokens")
+hf_token = os.getenv("gpt2_token")
 
 if not hf_token:
     raise ValueError("Hugging Face token not found. Please set HF_TOKEN as an environment variable.")