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