Update app.py

app.py

@@ -8,9 +8,7 @@ from tools.final_answer import FinalAnswerTool
 from Gradio_UI import GradioUI
 
 API_URL = "https://api-inference.huggingface.co/models/mistralai/Mistral-7B-Instruct-v0.2"
-headers = {
-    "Authorization": f"Bearer {os.environ['HF_TOKEN']}",
-}
+headers = {"Authorization": "Bearer HF_TOKEN"}
 
 @tool
 def extract_knowledge_graph(text: str) -> str: