From b3625dc69702d976ef00fef693bb23065108a0ef Mon Sep 17 00:00:00 2001
From: Matthew Honnibal <honnibal+gh@gmail.com>
Date: Wed, 24 Jun 2020 18:03:55 +0200
Subject: [PATCH] Fix unset variable

---
 spacy/ml/tb_framework.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/spacy/ml/tb_framework.py b/spacy/ml/tb_framework.py
index 21779ddaa..a691ab4ae 100644
--- a/spacy/ml/tb_framework.py
+++ b/spacy/ml/tb_framework.py
@@ -39,7 +39,7 @@ def forward(model, X, is_train):
 
 def init(model, X=None, Y=None):
     model.get_ref("tok2vec").initialize(X=X)
-    model.get_ref("lower").initialize()
+    lower = model.get_ref("lower").initialize()
     if model.attrs["has_upper"]:
         statevecs = model.ops.alloc2f(2, lower.get_dim("nO"))
         model.get_ref("upper").initialize(X=statevecs)