Update app.py

app.py

@@ -144,6 +144,8 @@ def main():
     with st.sidebar:
         st.subheader("Your excel file")
         xls_docs = st.file_uploader("Upload your PDFs here and click on 'Process'", accept_multiple_files=True,type=['xlsx'])
+        if xls_docs is not None:
+            df = pd.read_excel(xls_docs)
         
         st.subheader("Your documents")
         pdf_docs = st.file_uploader("Upload your PDFs here and click on 'Process'", accept_multiple_files=True)