fix rare export error

ed2b527c · WenmuZhou · 4eb35186 · ed2b527c
Commit ed2b527c authored Feb 08, 2021 by WenmuZhou
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ppocr/modeling/heads/rec_att_head.py ppocr/modeling/heads/rec_att_head.py +3 -0

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--- a/ppocr/modeling/heads/rec_att_head.py
+++ b/ppocr/modeling/heads/rec_att_head.py
@@ -146,6 +146,9 @@ class AttentionLSTM(nn.Layer):
        else:
            targets = paddle.zeros(shape=[batch_size], dtype="int32")
            probs = None
+            char_onehots = None
+            outputs = None
+            alpha = None

            for i in range(num_steps):
                char_onehots = self._char_to_onehot(