Error: DtypeError: Dtype "undefined" not supported

[coco-super]

file.csv

  import { readCSV } from 'danfojs-node';

  const ndf = await readCSV('/Users/ellison/Desktop/file.csv');
  ndf.print();
  ndf.loc({ rows: [1], columns: ['Variable 1'] }).print(); // error

[coco-super]

  import { readCSV } from 'danfojs-node';
  const ndf = await readCSV('/Users/ellison/Desktop/file.csv');

  console.log(ndf.columns[0].charAt(0)); // print: empty string
  console.log(ndf.columns[0].charAt(1)); // print: "V"

@risenW The results from ndf.columns contain spaces in front of each item, which is the root cause of this problem.(There are no spaces in the contents of the original csv file)