Update app.py

app.py

@@ -17,7 +17,7 @@ PDF_HTML_iframe_template = (
 
 def display_PDF(st, pdf_url='proforma-example.pdf'):
     # /Users/junxiong/Documents/aire/acToolV2/due-diligence-check-example.pdf
-    pdf_file = open(pdf_file, 'rb')
+    pdf_file = open(pdf_url, 'rb')
     base64_pdf = base64.b64encode(pdf_file.read()).decode('utf-8')
     pdf_display = f'<embed src="data:application/pdf;base64,{base64_pdf}" width="700" height="1000" type="application/pdf">' 
     st.markdown(pdf_display, unsafe_allow_html=True)