spaCy/spacy/tests/regression/test_issue4348.py

25 lines
732 B
Python

from spacy.gold import Example
from spacy.lang.en import English
from spacy.util import minibatch
from thinc.api import compounding
import pytest
@pytest.mark.filterwarnings("ignore::UserWarning")
def test_issue4348():
"""Test that training the tagger with empty data, doesn't throw errors"""
nlp = English()
example = Example.from_dict(nlp.make_doc(""), {"tags": []})
TRAIN_DATA = [example, example]
tagger = nlp.create_pipe("tagger")
nlp.add_pipe(tagger)
optimizer = nlp.begin_training()
for i in range(5):
losses = {}
batches = minibatch(TRAIN_DATA, size=compounding(4.0, 32.0, 1.001))
for batch in batches:
nlp.update(batch, sgd=optimizer, losses=losses)