[Hot Fix] Fix ModelManager not initialize in distributed mode

src/agentscope/manager/_manager.py

@@ -2,6 +2,7 @@
 """A manager for AgentScope."""
 import os
 from typing import Union, Any
+from copy import deepcopy
 
 from loguru import logger
 
@@ -166,7 +167,7 @@ def state_dict(self) -> dict:
         serialized_data["studio"] = _studio_client.state_dict()
         serialized_data["monitor"] = self.monitor.state_dict()
 
-        return serialized_data
+        return deepcopy(serialized_data)
 
     def load_dict(self, data: dict) -> None:
         """Load the runtime information from a dictionary"""

tests/custom/test_model_config.json

@@ -0,0 +1,11 @@
+[
+    {
+        "config_name": "qwen",
+        "model_type": "dashscope_chat",
+        "model_name": "qwen-max",
+        "api_key": "xxx",
+        "generate_args": {
+            "temperature": 0.5
+        }
+    }
+]

tests/rpc_agent_test.py

@@ -180,6 +180,13 @@ def setUp(self) -> None:
         agentscope.init(
             project="test",
             name="rpc_agent",
+            model_configs=os.path.abspath(
+                os.path.join(
+                    os.path.abspath(os.path.dirname(__file__)),
+                    "custom",
+                    "test_model_config.json",
+                ),
+            ),
             save_dir="./.unittest_runs",
             save_log=True,
         )
@@ -677,6 +684,16 @@ def test_agent_server_management_funcs(self) -> None:
         self.assertEqual(remote_content, local_content)
         agent_lists = client.get_agent_list()
         self.assertEqual(len(agent_lists), 2)
+        # test existing model config
+        DialogAgent(
+            name="dialogue",
+            sys_prompt="You are a helful assistant.",
+            model_config_name="qwen",
+            to_dist={
+                "host": "localhost",
+                "port": launcher.port,
+            },
+        )
         # model not exists error
         self.assertRaises(
             Exception,