Update app.py

app.py

@@ -8,6 +8,7 @@ from langchain.llm import CTransformers
 from langchain.chains import LLMChain
 from langchain.prompts import PromptTemplate
 from PIL import Image
+import os
 
 def main():
     st.title("Invoice Entity Extractor 📚")
@@ -20,6 +21,8 @@ def main():
     elif uploaded_image is not None:
         process_image(uploaded_image)
 
+api_token = os.getenv('HF_TOKEN')
+
 def process_pdf(uploaded_file):
     # Process the uploaded PDF file
     with NamedTemporaryFile(delete=False) as temp_file: