Update pages/LIFE_CYCLE_OF_MACHINE_LEARNING.py

pages/LIFE_CYCLE_OF_MACHINE_LEARNING.py

@@ -129,7 +129,7 @@ print(excel_file.sheet_names)
     with open("excel_handling_guide.ipynb", "rb") as file:
         st.download_button(
             label="Download Jupyter Notebook",
-            data = excel_handling_guide.ipynb, 
+            data = file, 
             file_name="excel_handling_guide.ipynb",
             mime="application/octet-stream"
         )