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[Agent][Bug Fix][Enhancement] Making default implementation of _validate_tools less restrictive #3803

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[Agent][Bug Fix][Enhancement] Making default implementation of _validate_tools less restrictive #3803

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13 changes: 7 additions & 6 deletions langchain/agents/agent.py
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Original file line number Diff line number Diff line change
Expand Up @@ -453,12 +453,13 @@ def create_prompt(cls, tools: Sequence[BaseTool]) -> BasePromptTemplate:

@classmethod
def _validate_tools(cls, tools: Sequence[BaseTool]) -> None:
"""Validate that appropriate tools are passed in."""
for tool in tools:
if not tool.is_single_input:
raise ValueError(
f"{cls.__name__} does not support multi-input tool {tool.name}."
)
"""
This class method is intended to be overridden in derived classes if necessary.
The default implementation does nothing and assumes that the provided tools are
valid.

Validate that appropriate tools are passed in.
"""

@classmethod
@abstractmethod
Expand Down