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