From 0390b24d92f3cafedfbdfcd65346b20f3add3c05 Mon Sep 17 00:00:00 2001
From: Dong-hee Na <donghee.na92@gmail.com>
Date: Mon, 7 Jan 2019 17:17:23 +0900
Subject: [PATCH] bpo-35283: Add a deprecated warning for the
 threading.Thread.isAlive

---
 Lib/threading.py                                       | 10 +++++++++-
 .../Library/2019-01-07-17-17-16.bpo-35283.WClosC.rst   |  2 ++
 2 files changed, 11 insertions(+), 1 deletion(-)
 create mode 100644 Misc/NEWS.d/next/Library/2019-01-07-17-17-16.bpo-35283.WClosC.rst

diff --git a/Lib/threading.py b/Lib/threading.py
index bb41456fb1410c..5fc7cbe239cbbb 100644
--- a/Lib/threading.py
+++ b/Lib/threading.py
@@ -1091,7 +1091,15 @@ def is_alive(self):
         self._wait_for_tstate_lock(False)
         return not self._is_stopped
 
-    isAlive = is_alive
+    def isAlive(self):
+        """Return whether the thread is alive.
+
+        This instance method is deprecated, use is_alive() instead.
+        """
+        import warnings
+        warnings.warn('isAlive() is deprecated, use is_alive() instead',
+                      PendingDeprecationWarning, stacklevel=2)
+        return self.is_alive()
 
     @property
     def daemon(self):
diff --git a/Misc/NEWS.d/next/Library/2019-01-07-17-17-16.bpo-35283.WClosC.rst b/Misc/NEWS.d/next/Library/2019-01-07-17-17-16.bpo-35283.WClosC.rst
new file mode 100644
index 00000000000000..6c9c06eff2b5f9
--- /dev/null
+++ b/Misc/NEWS.d/next/Library/2019-01-07-17-17-16.bpo-35283.WClosC.rst
@@ -0,0 +1,2 @@
+Add a deprecated warning for the threading.Thread.isAlive.
+Patch by Dong-hee Na.