fix

langchain_backend/utils.py

@@ -9,6 +9,9 @@ from langchain_core.prompts import ChatPromptTemplate
 from langchain_huggingface import HuggingFaceEndpoint
 
 os.environ.get("OPENAI_API_KEY")
+os.environ.get("HUGGINGFACEHUB_API_TOKEN")
+print('\n\n\n')
+print(os.environ.get("HUGGINGFACEHUB_API_TOKEN"))
 
 def getPDF(file_path="./nike.pdf"):
   text_splitter = RecursiveCharacterTextSplitter(chunk_size=1000, chunk_overlap=200)
@@ -33,7 +36,6 @@ def create_prompt_llm_chain(system_prompt, modelParam="gpt-4o-mini"):
   if modelParam == "gpt-4o-mini":
     model = ChatOpenAI(model=modelParam)
   else:
-    os.environ.get("HUGGINGFACEHUB_API_TOKEN")
 
     llm = HuggingFaceEndpoint(
         repo_id="meta-llama/Meta-Llama-3-8B-Instruct",