FIX: fix stop_session func bug (#578)

* FIX: fix stop_session func bug

* keep sequence_end = False

---------
Co-authored-by: honglei.yan <honglei.yan@nio.com>
Co-authored-by: AllentDan <AllentDan@yeah.net>

lmdeploy/turbomind/turbomind.py

@@ -268,7 +268,7 @@ class TurboMindInstance:
             self.model_insts[0].register_callback(self._forward_callback)
 
         if len(input_ids) == 0:
-            input_ids = []
+            input_ids = [[]]
         if isinstance(input_ids[0], int):
             input_ids = [input_ids]
 
@@ -383,7 +383,7 @@ class TurboMindInstance:
         """
 
         if len(input_ids) == 0:
-            input_ids = []
+            input_ids = [[]]
         if isinstance(input_ids[0], int):
             input_ids = [input_ids]