[Release-fix] Pin transformers<4.57 for release branch

Signed-off-by: Keval Morabia <[email protected]>

Author: kevalmorabia97

modelopt/torch/__init__.py

@@ -32,7 +32,7 @@
 try:
     from transformers import __version__ as _transformers_version
 
-    if not (_Version("4.48") <= _Version(_transformers_version) < _Version("5.0")):
+    if not (_Version("4.48") <= _Version(_transformers_version) < _Version("4.57")):
         _warnings.warn(
             f"transformers version {_transformers_version} is incompatible with nvidia-modelopt and may cause issues. "
             "Please install recommended version with `pip install nvidia-modelopt[hf]` if working with HF models.",

setup.py

@@ -62,7 +62,7 @@
         "diffusers>=0.32.2",
         "huggingface_hub>=0.24.0",
         "peft>=0.17.0",
-        "transformers>=4.48,<5.0",  # Should match modelopt/torch/__init__.py and tox.ini
+        "transformers>=4.48,<4.57",  # Should match modelopt/torch/__init__.py and tox.ini
         "deepspeed>=0.9.6 ; platform_system != 'Darwin' and platform_system != 'Windows'",
     ],
     # linter tools

tox.ini

@@ -27,6 +27,7 @@ deps =
 
     # Should match setup.py
     tf_min: transformers~=4.48.0
+    tf_latest: transformers~=4.56.0
 commands =
     python -m pytest tests/unit {env:COV_ARGS:}