* Fixed the following:
pipe -> pipeline
out in pipe(data()) is a list of dict, not a dict
* Fixed the TypeError: __init__() missing 1 required positional argument: 'key'
* Added a tip: code sample requires additional libraries to run
* Fixed custom config's name
* added seqeval to the required libraries
* fixed a missing dependency,
fixed metric naming,
added checkpoint to fix the datacollator
* added checkpoint to fix the datacollator,
added missing dependency