09_tabular: Value Error: Unable to coerce to Series, length must be 1: given 0

Part 1 (2020)
21

thanks, I tried it and it works for me

22

For me it was not the variable type that caused this bug, but the fact that cont_nn was a list with a duplicate, i.e. [ā€˜saleElapsedā€™, ā€˜saleElapsedā€™]
After removing the duplicate, I could use TabularPandas.
Here is how it can be done:

cont_nn = list(dict.fromkeys(cont_nn))
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