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			26 lines
		
	
	
		
			752 B
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			26 lines
		
	
	
		
			752 B
		
	
	
	
		
			Python
		
	
	
	
	
	
| # coding: utf8
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| from __future__ import unicode_literals
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| 
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| from spacy.lang.en import English
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| from spacy.util import minibatch, compounding
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| import pytest
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| 
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| 
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| @pytest.mark.filterwarnings("ignore::UserWarning")
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| def test_issue4348():
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|     """Test that training the tagger with empty data, doesn't throw errors"""
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| 
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|     TRAIN_DATA = [("", {"tags": []}), ("", {"tags": []})]
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| 
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|     nlp = English()
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|     tagger = nlp.create_pipe("tagger")
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|     nlp.add_pipe(tagger)
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| 
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|     optimizer = nlp.begin_training()
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|     for i in range(5):
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|         losses = {}
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|         batches = minibatch(TRAIN_DATA, size=compounding(4.0, 32.0, 1.001))
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|         for batch in batches:
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|             texts, annotations = zip(*batch)
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|             nlp.update(texts, annotations, sgd=optimizer, losses=losses)
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