Typo correction
Corrected a small typo found when reviewing the script.

this script is obsolete. you can simply delete it for this PR

@jorisvandenbossche 
 Ok, will do.
 ## [Current coverage](https://codecov.io/gh/pydata/pandas/pull/13369?src=pr) is **84.23%**

> Merging [#13369](https://codecov.io/gh/pydata/pandas/pull/13369?src=pr) into [master](https://codecov.io/gh/pydata/pandas/branch/master?src=pr) will not change coverage

``` diff
@@             master     #13369   diff @@
==========================================
  Files           138        138          
  Lines         50739      50739          
  Methods           0          0          
  Messages          0          0          
  Branches          0          0          
==========================================
  Hits          42740      42740          
  Misses         7999       7999          
  Partials          0          0          
```

> Powered by [Codecov](https://codecov.io?src=pr). Last updated by [5a9b498...913e6db](https://codecov.io/gh/pydata/pandas/compare/5a9b498e43a41744470732438e9422a407b0b380...913e6dbdd077ad236b54c263fe5fd09de3cad5ce)
 This can indeed be deleted I think
