[BE] bump `optree` version to 0.12.1 (#130139)

0.12.0 Major Updates:

- Add context manager to temporarily set the dictionary sorting mode
- Add accessor APIs
- Use `stable` tag for `pybind11` for Python 3.13 support
- Fix potential segmentation fault for pickling support

0.12.1 Updates:

- Fix warning regression during import when launch with strict warning filters

Closes #130155
Pull Request resolved: https://github.com/pytorch/pytorch/pull/130139
Approved by: https://github.com/zou3519
ghstack dependencies: #130895

test/functorch/test_eager_transforms.py

diff --git a/test/functorch/test_eager_transforms.py b/test/functorch/test_eager_transforms.py
index 0c87527..aa0c6c5 100644
--- a/test/functorch/test_eager_transforms.py
+++ b/test/functorch/test_eager_transforms.py
@@ -3404,7 +3404,7 @@
     @onlyCPU
     def test_no_warning_on_import_functorch(self, device):
         out = subprocess.check_output(
-            [sys.executable, "-W", "all", "-c", "import functorch"],
+            [sys.executable, "-W", "always", "-c", "import functorch"],
             stderr=subprocess.STDOUT,
             cwd=os.path.dirname(os.path.realpath(__file__)),
         ).decode("utf-8")

test/profiler/test_profiler.py

diff --git a/test/profiler/test_profiler.py b/test/profiler/test_profiler.py
index c0afd55..7c074b7 100644
--- a/test/profiler/test_profiler.py
+++ b/test/profiler/test_profiler.py
@@ -1479,7 +1479,7 @@
 """
         try:
             subprocess.check_output(
-                [sys.executable, "-W", "all", "-c", script],
+                [sys.executable, "-W", "always", "-c", script],
                 cwd=os.path.dirname(os.path.realpath(__file__)),
             )
         except subprocess.CalledProcessError as e:

test/test_mps.py

diff --git a/test/test_mps.py b/test/test_mps.py
index a808657..a8e4a68 100644
--- a/test/test_mps.py
+++ b/test/test_mps.py
@@ -11598,7 +11598,7 @@
     # TODO: Remove once test_testing.py is running on MPS devices
     def test_no_warning_on_import(self):
         out = subprocess.check_output(
-            [sys.executable, "-W", "all", "-c", "import torch"],
+            [sys.executable, "-W", "always", "-c", "import torch"],
             stderr=subprocess.STDOUT,
             # On Windows, opening the subprocess with the default CWD makes `import torch`
             # fail, so just set CWD to this script's directory
@@ -11640,11 +11640,10 @@
 if len(w) != 1:
     print(w)
     exit(2)
-
 """
         try:
             subprocess.check_output(
-                [sys.executable, '-W', 'all', '-c', script],
+                [sys.executable, '-W', 'always', '-c', script],
                 stderr=subprocess.STDOUT,
                 # On Windows, opening the subprocess with the default CWD makes `import torch`
                 # fail, so just set CWD to this script's directory

test/test_stateless.py

diff --git a/test/test_stateless.py b/test/test_stateless.py
index 6256f2b..44b53e2 100644
--- a/test/test_stateless.py
+++ b/test/test_stateless.py
@@ -887,7 +887,7 @@
 """
         try:
             subprocess.check_output(
-                [sys.executable, '-W', 'all', '-c', script],
+                [sys.executable, '-W', 'always', '-c', script],
                 stderr=subprocess.STDOUT,
                 # On Windows, opening the subprocess with the default CWD makes `import torch`
                 # fail, so just set CWD to this script's directory

test/test_testing.py

diff --git a/test/test_testing.py b/test/test_testing.py
index 8b4a33a..f07a467 100644
--- a/test/test_testing.py
+++ b/test/test_testing.py
@@ -2216,7 +2216,7 @@
     @classmethod
     def _check_python_output(cls, program) -> str:
         return subprocess.check_output(
-            [sys.executable, "-W", "all", "-c", program],
+            [sys.executable, "-W", "always", "-c", program],
             stderr=subprocess.STDOUT,
             # On Windows, opening the subprocess with the default CWD makes `import torch`
             # fail, so just set CWD to this script's directory