[CI] Fix some warnings (#4547)

* fix bad escape chars

* fix np.bool

* fix np.object

* don't name class or funcs like test_*

* fix np.int

* fix name -> repo_id in hfh

* fix name -> config_name in builder

* don't name class or func like test_* again

* fix np.object again

* style

* fix universal_dependencies languages

* fix bad import

* Revert "don't name class or funcs like test_*"

This reverts commit 877c7a93da49e8305dd347d17e7f26cfb4da9254.

* use bool

* use object

* use __test__ = False

* fix test

* fix remaining changes

Commit from https://github.com/huggingface/datasets/commit/f85a78d8f1f7989463764d65365c5ccc4b99ab52

banking77.py

@@ -21,7 +21,7 @@ import datasets
 from datasets.tasks import TextClassification
 
 
-_CITATION = """\
+_CITATION = r"""\
 @inproceedings{Casanueva2020,
     author      = {I{\~{n}}igo Casanueva and Tadas Temcinas and Daniela Gerz and Matthew Henderson and Ivan Vulic},
     title       = {Efficient Intent Detection with Dual Sentence Encoders},