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fix: anthropic messages empty raise errors (#1893)

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takatost 2024-01-03 22:12:14 +08:00 committed by GitHub
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commit 6333cf43a8
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api/core/model_runtime/model_providers/anthropic/llm/llm.py
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@ -252,6 +252,9 @@ class AnthropicLargeLanguageModel(LargeLanguageModel):
:param messages: List of PromptMessage to combine.
:return: Combined string with necessary human_prompt and ai_prompt tags.
"""
if not messages:
return ''
messages = messages.copy() # don't mutate the original list
if not isinstance(messages[-1], AssistantPromptMessage):
messages.append(AssistantPromptMessage(content=""))