[PD] Add support for different TP sizes per DP rank (#5922)

Signed-off-by: Shangming Cai <caishangming@linux.alibaba.com>

python/sglang/srt/disaggregation/nixl/conn.py

@@ -132,6 +132,7 @@ class NixlKVManager(BaseKVManager):
         args: KVArgs,
         disaggregation_mode: DisaggregationMode,
         server_args: ServerArgs,
+        is_mla_backend: Optional[bool] = False,
     ):
         try:
             from nixl._api import nixl_agent