From a226835ed0bfaedd454f40f5e9ecd16f2d6bd424 Mon Sep 17 00:00:00 2001
From: Gabriel Rasskin <43894452+grasskin@users.noreply.github.com>
Date: Fri, 26 Jul 2024 16:20:20 -0700
Subject: [PATCH] Migrate np namespace to np 2.0 (#20049)

---
 keras/src/callbacks/model_checkpoint.py     | 8 ++++----
 keras/src/callbacks/reduce_lr_on_plateau.py | 4 ++--
 keras/src/utils/sequence_utils.py           | 2 +-
 3 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/keras/src/callbacks/model_checkpoint.py b/keras/src/callbacks/model_checkpoint.py
index b602fe4403d..24a0110f292 100644
--- a/keras/src/callbacks/model_checkpoint.py
+++ b/keras/src/callbacks/model_checkpoint.py
@@ -157,20 +157,20 @@ def __init__(
         if mode == "min":
             self.monitor_op = np.less
             if self.best is None:
-                self.best = np.Inf
+                self.best = np.inf
         elif mode == "max":
             self.monitor_op = np.greater
             if self.best is None:
-                self.best = -np.Inf
+                self.best = -np.inf
         else:
             if "acc" in self.monitor or self.monitor.startswith("fmeasure"):
                 self.monitor_op = np.greater
                 if self.best is None:
-                    self.best = -np.Inf
+                    self.best = -np.inf
             else:
                 self.monitor_op = np.less
                 if self.best is None:
-                    self.best = np.Inf
+                    self.best = np.inf
 
         if self.save_freq != "epoch" and not isinstance(self.save_freq, int):
             raise ValueError(
diff --git a/keras/src/callbacks/reduce_lr_on_plateau.py b/keras/src/callbacks/reduce_lr_on_plateau.py
index d1ee33e34e1..04c1076f2e1 100644
--- a/keras/src/callbacks/reduce_lr_on_plateau.py
+++ b/keras/src/callbacks/reduce_lr_on_plateau.py
@@ -92,10 +92,10 @@ def _reset(self):
             self.mode == "auto" and "acc" not in self.monitor
         ):
             self.monitor_op = lambda a, b: np.less(a, b - self.min_delta)
-            self.best = np.Inf
+            self.best = np.inf
         else:
             self.monitor_op = lambda a, b: np.greater(a, b + self.min_delta)
-            self.best = -np.Inf
+            self.best = -np.inf
         self.cooldown_counter = 0
         self.wait = 0
 
diff --git a/keras/src/utils/sequence_utils.py b/keras/src/utils/sequence_utils.py
index 57b72cf78e1..3caf429e192 100644
--- a/keras/src/utils/sequence_utils.py
+++ b/keras/src/utils/sequence_utils.py
@@ -101,7 +101,7 @@ def pad_sequences(
         maxlen = np.max(lengths)
 
     is_dtype_str = np.issubdtype(dtype, np.str_) or np.issubdtype(
-        dtype, np.unicode_
+        dtype, np.str_
     )
     if isinstance(value, str) and dtype != object and not is_dtype_str:
         raise ValueError(