Update app.py

app.py

@@ -9,8 +9,12 @@ from transformers import pipeline
 import os
 from scholarly import scholarly
 
-# Set API key HuggingFace
-os.environ["HUGGING_FACE_API_KEY"] = os.environ.get("HF_TOKEN", None)
+hf_token = os.environ.get("HF_TOKEN", None)
+if hf_token:
+    os.environ["HUGGING_FACE_API_KEY"] = hf_token
+else:
+    st.error("Hugging Face API key is not set. Please set the HF_TOKEN environment variable.")
+    st.stop()
 
 # Definisi Tools
 def wikipedia_search(query):