| from typing import TYPE_CHECKING, Any | |
| from langchain._api import create_importer | |
| if TYPE_CHECKING: | |
| from langchain_community.callbacks.comet_ml_callback import CometCallbackHandler | |
| # Create a way to dynamically look up deprecated imports. | |
| # Used to consolidate logic for raising deprecation warnings and | |
| # handling optional imports. | |
| DEPRECATED_LOOKUP = { | |
| "CometCallbackHandler": "langchain_community.callbacks.comet_ml_callback" | |
| } | |
| _import_attribute = create_importer(__file__, deprecated_lookups=DEPRECATED_LOOKUP) | |
| def __getattr__(name: str) -> Any: | |
| """Look up attributes dynamically.""" | |
| return _import_attribute(name) | |
| __all__ = [ | |
| "CometCallbackHandler", | |
| ] | |