Fix requiring transformers>=4.32.0 (#480)

src/petals/__init__.py

@@ -17,7 +17,7 @@ __version__ = "2.1.0"
 if not os.getenv("PETALS_IGNORE_DEPENDENCY_VERSION"):
     assert (
         version.parse("4.32.0") <= version.parse(transformers.__version__) < version.parse("5.0.0")
-    ), "Please install a proper transformers version: pip install transformers>=4.31.0,<5.0.0"
+    ), "Please install a proper transformers version: pip install transformers>=4.32.0,<5.0.0"
 
 
 def _override_bfloat16_mode_default():