add more detail into core

Author: WannaTen

metagpt/core/base/__init__.py

@@ -1,8 +1,6 @@
 from metagpt.core.base.base_env import BaseEnvironment
-from metagpt.core.base.base_role import BaseRole
 
 
 __all__ = [
     "BaseEnvironment",
-    "BaseRole",
 ]

metagpt/core/base/base/__init__.py

@@ -10,7 +10,7 @@
 from metagpt.core.base.base_serialization import BaseSerialization
 
 if typing.TYPE_CHECKING:
-    from metagpt.uml_schema import Message
+    from metagpt.core.schema import Message
 
 
 class BaseEnvironment(BaseSerialization):

metagpt/core/base/base_env.py

@@ -13,7 +13,7 @@
 
 from metagpt.core.configs.compress_msg_config import CompressType
 from metagpt.core.const import CONFIG_ROOT, LLM_API_TIMEOUT, METAGPT_ROOT
-from metagpt.utils.yaml_model import YamlModel
+from metagpt.core.utils.yaml_model import YamlModel
 
 
 class LLMType(Enum):

metagpt/core/configs/llm_config.py

@@ -20,7 +20,7 @@
 from metagpt.core.exp_pool.scorers import BaseScorer, SimpleScorer
 from metagpt.core.exp_pool.serializers import BaseSerializer, SimpleSerializer
 from metagpt.core.logs import logger
-from metagpt.utils.async_helper import NestAsyncio
+from metagpt.core.utils.async_helper import NestAsyncio
 from metagpt.core.utils.exceptions import handle_exception
 
 ReturnType = TypeVar("ReturnType")