Fixed sphinx and ran black

bob/pipelines/__init__.py

bob/pipelines/config/distributed/dask_it_pipeline.py

bob/pipelines/distributed/__init__.py

bob/pipelines/sample.py

bob/pipelines/scripts/__init__.py

bob/pipelines/tests/test_samples.py

bob/pipelines/tests/test_wrappers.py

bob/pipelines/transformers/__init__.py

bob/pipelines/transformers/linearize.py

bob/pipelines/wrappers.py

doc/checkpoint.rst

doc/conf.py

doc/dask.rst

doc/nitpick-exceptions.txt

doc/python/pipeline_example_dask.py

doc/python/pipeline_example_dask_sge.py

doc/python/pipeline_example_dask_sge_adaptive.py