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fix: None type in cot assistant app (#2142)
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@ -473,7 +473,7 @@ class AssistantCotApplicationRunner(BaseAssistantApplicationRunner):
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result = ''
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for scratchpad in agent_scratchpad:
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result += scratchpad.thought + next_iteration.replace("{{observation}}", scratchpad.observation) + "\n"
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result += scratchpad.thought + next_iteration.replace("{{observation}}", scratchpad.observation or '') + "\n"
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return result
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@ -543,7 +543,7 @@ class AssistantCotApplicationRunner(BaseAssistantApplicationRunner):
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# add assistant message
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if len(agent_scratchpad) > 0:
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prompt_messages.append(AssistantPromptMessage(
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content=agent_scratchpad[-1].thought + "\n" + agent_scratchpad[-1].observation
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content=(agent_scratchpad[-1].thought or '') + "\n" + (agent_scratchpad[-1].observation or '')
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))
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# add user message
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@ -172,7 +172,6 @@ class AssistantFunctionCallApplicationRunner(BaseAssistantApplicationRunner):
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for tool_call_id, tool_call_name, tool_call_args in tool_calls:
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tool_instance = tool_instances.get(tool_call_name)
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if not tool_instance:
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logger.error(f"failed to find tool instance: {tool_call_name}")
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tool_response = {
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"tool_call_id": tool_call_id,
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"tool_call_name": tool_call_name,
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@ -220,7 +219,6 @@ class AssistantFunctionCallApplicationRunner(BaseAssistantApplicationRunner):
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if error_response:
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observation = error_response
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logger.error(error_response)
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tool_response = {
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"tool_call_id": tool_call_id,
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"tool_call_name": tool_call_name,
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