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