Source code for langchain.agents.utils
from typing import Sequence
from langchain_core.tools import BaseTool
[docs]def validate_tools_single_input(class_name: str, tools: Sequence[BaseTool]) -> None:
"""Validate tools for single input.
Args:
class_name: Name of the class.
tools: List of tools to validate.
Raises:
ValueError: If a multi-input tool is found in tools.
"""
for tool in tools:
if not tool.is_single_input:
raise ValueError(
f"{class_name} does not support multi-input tool {tool.name}."
)