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update docstring

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This commit is contained in:
Chester Curme 2024-11-05 11:36:57 -05:00
parent a3350f4174
commit c54b676a04
1 changed files with 7 additions and 1 deletions
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8
libs/partners/anthropic/langchain_anthropic/chat_models.py
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@ -1115,7 +1115,13 @@ class ChatAnthropic(BaseChatModel):
@beta()
def get_num_tokens_from_messages(self, messages: List[BaseMessage]) -> int:
"""Count tokens in a sequence of input messages."""
"""Count tokens in a sequence of input messages.
.. versionchanged:: 0.2.5
Uses Anthropic's token counting API to count tokens in messages. See:
https://docs.anthropic.com/en/api/messages-count-tokens
"""
if any(
isinstance(tool, ToolMessage)
or (isinstance(tool, AIMessage) and tool.tool_calls)