Update app.py

app.py

@@ -7,6 +7,7 @@ from langchain.embeddings import HuggingFaceEmbeddings
 from langchain.prompts import ChatPromptTemplate
 from langchain.chains import LLMChain
 from langchain.llms import CTransformers
+from langchain.llms import HuggingFaceHub
 import torch
 
 # ==== Configuration ====
@@ -41,9 +42,7 @@ embedding_model = HuggingFaceEmbeddings(
 #     model_type='llama',
 #     config={'max_new_tokens': 512, 'temperature': 0.4}
 # )
-from langchain.llms import HuggingFaceHub
 
-hf_token = "your_huggingface_token"
 
 llm = HuggingFaceHub(
     repo_id="epfl-llm/meditron-7b",  # Or BioGPT, GatorTron, ClinicalT5, etc.