Fix error when tagger was initialized with no labels

2020-08-27 18:56:58 +02:00 · 2020-08-27 18:56:58 +02:00 · d3ffe4ca63
parent e1e1760fd6
commit d3ffe4ca63
1 changed files with 4 additions and 1 deletions
--- a/spacy/pipeline/tagger.pyx
+++ b/spacy/pipeline/tagger.pyx
@ -286,7 +286,10 @@ class Tagger(Pipe):
        for tag in sorted(tags):
            self.add_label(tag)
        self.set_output(len(self.labels))
-        self.model.initialize(X=doc_sample)
+        if self.labels:
+            self.model.initialize(X=doc_sample)
+        else:
+            self.model.initialize()
        if sgd is None:
            sgd = self.create_optimizer()
        return sgd