Modified lines 6 & 109

app.py

@@ -3,7 +3,7 @@ import os
 
 #from getpass import getpass 
 #HUGGINGFACEHUB_API_TOKEN = getpass()
-os.getenv["HUGGINGFACEHUB_API_TOKEN"] = HUGGINGFACEHUB_API_TOKEN
+api_token = os.environ.get('HUGGINGFACE_API_TOKEN') #os.getenv["HUGGINGFACEHUB_API_TOKEN"] = HUGGINGFACEHUB_API_TOKEN
 
 
 from langchain_community.document_loaders import PyPDFLoader
@@ -106,7 +106,7 @@ def initialize_llmchain(llm_model, temperature, max_tokens, top_k, vector_db, pr
             "tiiuae/falcon-7b-instruct"]:
         llm = HuggingFaceEndpoint(
             repo_id=llm_model,
-            token=HUGGINGFACEHUB_API_TOKEN,
+            token=api_token,
             # model_kwargs={"temperature": temperature, "max_new_tokens": max_tokens, "top_k": top_k, "load_in_8bit": True}
             temperature = temperature,
             max_new_tokens = max_tokens,