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