Renamed HF env vars

llm_graph.py

@@ -16,8 +16,8 @@ from lightrag.kg.shared_storage import initialize_pipeline_status
 load_dotenv()
 
 # Load the environment variables
-api_token = os.environ["HF_TOKEN"]
-endpoint_url = os.environ["HF_API_ENDPOINT"]
+HF_API_TOKEN = os.environ["HF_TOKEN"]
+HF_API_ENDPOINT = os.environ["HF_API_ENDPOINT"]
 
 AZURE_OPENAI_API_VERSION = os.environ["AZURE_OPENAI_API_VERSION"]
 AZURE_OPENAI_DEPLOYMENT = os.environ["AZURE_OPENAI_DEPLOYMENT"]
@@ -81,8 +81,8 @@ class LLMGraph:
 
         # Hugging Face Inference API for Phi-3-mini-128k-instruct-graph
         self.hf_client = InferenceClient(
-            model=endpoint_url,
-            token=api_token
+            model=HF_API_ENDPOINT,
+            token=HF_API_TOKEN
         )
 
         self.rag = None # Lazy loading of RAG instance