Set torch upper bound

Author: shunping

sdks/python/setup.py

@@ -198,7 +198,8 @@ def cythonize(*args, **kwargs):
     # Drop this cap once transformers updates the CLIP call site to
     # `cls_token=` or tokenizers reinstates `cls=` as a deprecation alias.
     'tokenizers<0.23',
-    'torch',
+    # Avoid torch 2.12.0+ which fails to run unit tests with segfault.
+    'torch<2.12.0',
     # Match tested transformers range.
     'transformers>=4.28.0,<4.56.0',
     # Keep tokenizers compatible with this transformers range.