From 8bbf31a582fad1885d520bb997159de08d9ef2d5 Mon Sep 17 00:00:00 2001
From: Matthew Honnibal <honnibal+gh@gmail.com>
Date: Wed, 24 Jun 2020 18:03:44 +0200
Subject: [PATCH] Output unlabelled spans from O biluo tags in iob_utils

---
 spacy/gold/iob_utils.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/spacy/gold/iob_utils.py b/spacy/gold/iob_utils.py
index 3ae911418..f934bc013 100644
--- a/spacy/gold/iob_utils.py
+++ b/spacy/gold/iob_utils.py
@@ -181,6 +181,8 @@ def tags_to_entities(tags):
             # TODO: We shouldn't be getting these malformed inputs. Fix this.
             if start is not None:
                 start = None
+            else:
+                entities.append(("", i, i))
             continue
         elif tag == "-":
             continue