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