It works. Thank you, Dmitrij

This line in plotly.py generates a dataframe:

df = iris.sql.exec(query).dataframe()

where query = "SELECT Top 10 Category, Credit, Debit, TrnCount FROM dc_iris.trncount where TrnYear=2025 and TrnMonth=8 Order By Debit DESC"

The bars in the graph reflect rows 0 to 9, not the amount in 'Debit'

Here is my data: