Configuration loading qdrant client reports TypeError: cannot pickle 'sqlite3.Connection' object

[liuyunrui123]

🐛 Describe the bug

Configuration loading qdrant client reports TypeError: cannot pickle 'sqlite3.Connection' object

The following is the configuration content：

qdrant_client = QdrantClient(path="./qdrant_mem_db")
memory = Mem0Memory(
    user_id="user123",
    is_cloud=False,
    config={
        # "path": ":memory:",
        "vector_store": {
            "provider": "qdrant",
            "config": {
                "collection_name": "user_memory",
                "client": qdrant_client
            }
        },
        "embedder": {
            "provider": "openai",
            "config": {
                # "model": "text-embedding-ada-002",
                "api_key": OPENAI_API_KEY,
            }
        },
        "llm": {
            "provider": "openai",
            "config": {
                "model": "gpt-4.1-mini", #"gpt-3.5-turbo",
                "api_key": OPENAI_API_KEY,
            }
        }
    }, 
)

error info:

 File "/home/xxx/nfs_share/AutoGen/robot_system/test_script/test_mem0.py", line 12, in main
    memory = Mem0Memory(
  File "/home/xxx/nfs_share/AutoGen/robot_system/.venv/lib/python3.10/site-packages/autogen_ext/memory/mem0/_mem0.py", line 191, in __init__
    self._client = Memory0.from_config(config_dict=config_dict)  # type: ignore
  File "/home/xxx/nfs_share/AutoGen/robot_system/.venv/lib/python3.10/site-packages/mem0/memory/main.py", line 169, in from_config
    return cls(config)
  File "/home/xxx/nfs_share/AutoGen/robot_system/.venv/lib/python3.10/site-packages/mem0/memory/main.py", line 150, in __init__
    telemetry_config = deepcopy(self.config.vector_store.config)
  File "/home/xxx/miniconda3/lib/python3.10/copy.py", line 153, in deepcopy
    y = copier(memo)
  File "/home/xxx/nfs_share/AutoGen/robot_system/.venv/lib/python3.10/site-packages/pydantic/main.py", line 940, in __deepcopy__
    _object_setattr(m, '__dict__', deepcopy(self.__dict__, memo=memo))
  File "/home/xxx/miniconda3/lib/python3.10/copy.py", line 146, in deepcopy
    y = copier(x, memo)
  File "/home/xxx/miniconda3/lib/python3.10/copy.py", line 231, in _deepcopy_dict
    y[deepcopy(key, memo)] = deepcopy(value, memo)
  File "/home/xxx/miniconda3/lib/python3.10/copy.py", line 172, in deepcopy
    y = _reconstruct(x, memo, *rv)
  File "/home/xxx/miniconda3/lib/python3.10/copy.py", line 271, in _reconstruct
    state = deepcopy(state, memo)
  File "/home/xxx/miniconda3/lib/python3.10/copy.py", line 146, in deepcopy
    y = copier(x, memo)
  File "/home/xxx/miniconda3/lib/python3.10/copy.py", line 231, in _deepcopy_dict
    y[deepcopy(key, memo)] = deepcopy(value, memo)
  File "/home/xxx/miniconda3/lib/python3.10/copy.py", line 172, in deepcopy
    y = _reconstruct(x, memo, *rv)
  File "/home/xxx/miniconda3/lib/python3.10/copy.py", line 271, in _reconstruct
    state = deepcopy(state, memo)
  File "/home/xxx/miniconda3/lib/python3.10/copy.py", line 146, in deepcopy
    y = copier(x, memo)
  File "/home/xxx/miniconda3/lib/python3.10/copy.py", line 231, in _deepcopy_dict
    y[deepcopy(key, memo)] = deepcopy(value, memo)
  File "/home/xxx/miniconda3/lib/python3.10/copy.py", line 146, in deepcopy
    y = copier(x, memo)
  File "/home/xxx/miniconda3/lib/python3.10/copy.py", line 231, in _deepcopy_dict
    y[deepcopy(key, memo)] = deepcopy(value, memo)
  File "/home/xxx/miniconda3/lib/python3.10/copy.py", line 172, in deepcopy
    y = _reconstruct(x, memo, *rv)
  File "/home/xxx/miniconda3/lib/python3.10/copy.py", line 271, in _reconstruct
    state = deepcopy(state, memo)
  File "/home/xxx/miniconda3/lib/python3.10/copy.py", line 146, in deepcopy
    y = copier(x, memo)
  File "/home/xxx/miniconda3/lib/python3.10/copy.py", line 231, in _deepcopy_dict
    y[deepcopy(key, memo)] = deepcopy(value, memo)
  File "/home/xxx/miniconda3/lib/python3.10/copy.py", line 172, in deepcopy
    y = _reconstruct(x, memo, *rv)
  File "/home/xxx/miniconda3/lib/python3.10/copy.py", line 271, in _reconstruct
    state = deepcopy(state, memo)
  File "/home/xxx/miniconda3/lib/python3.10/copy.py", line 146, in deepcopy
    y = copier(x, memo)
  File "/home/xxx/miniconda3/lib/python3.10/copy.py", line 231, in _deepcopy_dict
    y[deepcopy(key, memo)] = deepcopy(value, memo)
  File "/home/xxx/miniconda3/lib/python3.10/copy.py", line 161, in deepcopy
    rv = reductor(4)
TypeError: cannot pickle 'sqlite3.Connection' object