Update train-from-config
import plac
from pathlib import Path
from thinc.api import use_pytorch_for_gpu_memory
-from spacy_transformers import install_extensions, TransformerModelByName
-from spacy_transformers import Transformer
-import spacy_transformers.tok2vec
+import spacy_transformers
from spacy.cli.train_from_config import train_from_config
import spacy.util
