commit b3461c38fd09abc6f31f69ade9bc632fabbdb73a
author Ben Arnao <arnaoben@gmail.com> Wed May 20 14:04:54 2020 -0400
committer GitHub <noreply@github.com> Wed May 20 14:04:54 2020 -0400
tree 0c072ed2fe359b063c92255fca4d2cac4cac19c9
parent 502e75c1391045768f46018d8882cfe4acf195fa

Fix #39462

tensorflow/python/keras/callbacks.py

diff --git a/tensorflow/python/keras/callbacks.py b/tensorflow/python/keras/callbacks.py
index db326ea..ec41599 100644
--- a/tensorflow/python/keras/callbacks.py
+++ b/tensorflow/python/keras/callbacks.py
@@ -2261,8 +2261,8 @@
       elif not self.in_cooldown():
         self.wait += 1
         if self.wait >= self.patience:
-          old_lr = float(K.get_value(self.model.optimizer.lr))
-          if old_lr > self.min_lr:
+          old_lr = K.get_value(self.model.optimizer.lr)
+          if old_lr > np.float32(self.min_lr):
             new_lr = old_lr * self.factor
             new_lr = max(new_lr, self.min_lr)
             K.set_value(self.model.optimizer.lr, new_lr)