Fixing sentiment pipeline in 03-pipelines notebook.
Fixing sentiment pipeline in 03-pipelines notebook.

Signed-off-by: Morgan Funtowicz <519bc3f0fda96312357e1409de278bff4d5f5b25@huggingface.co>

huggingface/transformers,huggingface/pytorch-transformers,huggingface/transformers,huggingface/transformers,huggingface/transformers