Want to upload Excel to a data table

What I’m trying to do:
I’m trying to follow the following tutorial

What I’ve tried and what’s not working:
I think I’ve followed the directions on the tutorial page but the data table is NOT populating data from the Excel. When I check and refresh the data table it’s empty.

Code Sample:

# this is a formatted code snippet from the Server.
import anvil.tables as tables
import anvil.tables.query as q
from anvil.tables import app_tables
import anvil.files
from anvil.files import data_files
import anvil.server
import pandas as pd

# This is the code to read a data file from the database data table.  
# Reference Files, Media and Binary Data
## Data Files
### Quickstart: Data Files
# dependency is from anvil.files import data_files

import anvil.server
anvil.server.connect("server_QUEM43IT3ML2UMXCFLTBARFT-4UZACXYUFGJ7LPVX")

def import_excel_data(file):
  with open(file, "rb") as f:
    df = pd.read_excel(f)
    for d in df.to_dict(orient="records"):
      # d is now a dict of {columnname -> value} for this row
      # We use Python's **kwargs syntax to pass the whole dict as
      # keyword arguments
      app_tables.chillerPoints.add_row(**d)
      
import_excel_data("Chillers Points List.xlsx")

# paste your code between ``` 

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