update for new format config of transformers lib / sglang lib

config.json

@@ -40,7 +40,7 @@
     "num_key_value_heads": 8,
     "partial_rotary_factor": 0.5,
     "rms_norm_eps": 1e-05,
-    "torch_dtype": "bfloat16",
+    "dtype": "bfloat16",
     "rope_scaling": {
       "rope_type": "default",
       "mrope_section": [