Support not officially supported high sgl-kernel version with low srt version (#11786)

sgl-kernel/python/sgl_kernel/__init__.py

@@ -265,6 +265,8 @@ from sgl_kernel.gemm import (
     scaled_fp4_quant,
     sgl_per_tensor_quant_fp8,
     sgl_per_token_group_quant_8bit,
+    sgl_per_token_group_quant_fp8,
+    sgl_per_token_group_quant_int8,
     sgl_per_token_quant_fp8,
     shuffle_rows,
     silu_and_mul_scaled_fp4_grouped_quant,

sgl-kernel/python/sgl_kernel/gemm.py

@@ -137,6 +137,11 @@ def sgl_per_token_group_quant_8bit(
     )
 
 
+# For legacy usage
+sgl_per_token_group_quant_fp8 = sgl_per_token_group_quant_8bit
+sgl_per_token_group_quant_int8 = sgl_per_token_group_quant_8bit
+
+
 def sgl_per_tensor_quant_fp8(
     input: torch.Tensor,
     output_q: torch.Tensor,