From 223136f0838ff808302f5b97c64321b3969cce33 Mon Sep 17 00:00:00 2001
From: Edward2 Team <no-reply@google.com>
Date: Mon, 9 Dec 2024 06:31:44 -0800
Subject: [PATCH] Internal change

PiperOrigin-RevId: 704263127
---
 edward2/tensorflow/layers/recurrent.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/edward2/tensorflow/layers/recurrent.py b/edward2/tensorflow/layers/recurrent.py
index c4df8448..179a7cc8 100644
--- a/edward2/tensorflow/layers/recurrent.py
+++ b/edward2/tensorflow/layers/recurrent.py
@@ -151,6 +151,8 @@ def call_weights(self):
       self.recurrent_kernel = self.recurrent_initializer(
           self.recurrent_kernel.shape, self.dtype)
     if isinstance(self.bias_initializer, tf.keras.layers.Layer):
+      if self.bias is None:
+        raise ValueError('self.bias is None.')
       self.bias = self.bias_initializer(self.bias.shape, self.dtype)
     self.called_weights = True