Hello,

I’m an elixir beginner, exploring livebook. I’m running a local notebook on a linux machine. Initially I tried to import a CSV file with Explorer like so:

alias Explorer.{DataFrame, Series}
path_to_csv = "./some_file.csv"
DataFrame.from_csv!(path_to_csv)

However, I am seeing the following error:

** (RuntimeError) from_csv failed: {:polars, "Could not parse `Fee Amount` 
    as dtype Int64 at column 16.\nThe current offset in the file is 249 bytes.\n\n
    Consider specifying the correct dtype, increasing\n
    the number of records used to infer the schema,\n
    enabling the `ignore_errors` flag, or adding\n`Fee Amount` to the `null_values` list."}
    (explorer 0.5.5) lib/explorer/data_frame.ex:438: Explorer.DataFrame.from_csv!/2

To check if the problem was indeed with the data in the column Fee Amount, I filled the column with integers. But I get the same error. What can I try to better diagnose this problem?