Merge pull request #36 from kvcache-ai/release/post1-transformers-kt-dep-20260430

fix: align sglang kt post1 deps and fp8 alias

python/pyproject.toml

@@ -70,7 +70,7 @@ dependencies = [
   "torchcodec==0.8.0 ; sys_platform != 'linux' or (sys_platform == 'linux' and platform_machine != 'aarch64' and platform_machine != 'arm64' and platform_machine != 'armv7l')", # torchcodec does not exist in those systems. If not provided, transformer will use torchvision instead by default.
   "torchvision==0.24.1",
   "tqdm",
-  "transformers==4.57.1",
+  "transformers-kt==5.6.0.post1",
   "uvicorn",
   "uvloop",
   "xgrammar==0.1.27",

python/sglang/srt/server_args.py

@@ -5283,6 +5283,7 @@ class ServerArgs:
         assert (
             self.tp_size * self.pp_size
         ) % self.nnodes == 0, "tp_size must be divisible by number of nodes"
+        self.normalize_kt_method_aliases()
 
         if self.pp_size > 1:
             assert (
@@ -5411,6 +5412,26 @@ class ServerArgs:
                 "When enabling two batch overlap, moe_a2a_backend cannot be 'none'."
             )
 
+    def normalize_kt_method_aliases(self):
+        if self.kt_method is None:
+            return
+
+        kt_method_aliases = {
+            "RAWFP8": "FP8",
+        }
+        normalized_method = kt_method_aliases.get(self.kt_method)
+        if normalized_method is None:
+            return
+
+        logger.warning(
+            "--kt-method %s is deprecated; using %s. "
+            "Use --kt-method %s in new scripts.",
+            self.kt_method,
+            normalized_method,
+            normalized_method,
+        )
+        self.kt_method = normalized_method
+
     def check_torch_2_9_1_cudnn_compatibility(self):
         if get_bool_env_var("SGLANG_DISABLE_CUDNN_CHECK"):
             return