feat: drop unsupported stop parameter for LLM models automatically (#3184)

This commit is contained in:
Lucas Gomide
2025-07-18 14:54:28 -03:00
committed by GitHub
parent 27c449c9c4
commit 2ab79a7dd5
4 changed files with 456 additions and 0 deletions

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@@ -984,6 +984,27 @@ class LLM(BaseLLM):
# whether to summarize the content or abort based on the respect_context_window flag
raise
except Exception as e:
unsupported_stop = "Unsupported parameter" in str(e) and "'stop'" in str(e)
if unsupported_stop:
if "additional_drop_params" in self.additional_params and isinstance(self.additional_params["additional_drop_params"], list):
self.additional_params["additional_drop_params"].append("stop")
else:
self.additional_params = {"additional_drop_params": ["stop"]}
logging.info(
"Retrying LLM call without the unsupported 'stop'"
)
return self.call(
messages,
tools=tools,
callbacks=callbacks,
available_functions=available_functions,
from_task=from_task,
from_agent=from_agent,
)
assert hasattr(crewai_event_bus, "emit")
crewai_event_bus.emit(
self,

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@@ -1,3 +1,4 @@
import logging
import os
from time import sleep
from unittest.mock import MagicMock, patch
@@ -664,3 +665,22 @@ def test_handle_streaming_tool_calls_no_tools(mock_emit):
expected_completed_llm_call=1,
expected_final_chunk_result=response,
)
@pytest.mark.vcr(filter_headers=["authorization"])
def test_llm_call_when_stop_is_unsupported(caplog):
llm = LLM(model="o1-mini", stop=["stop"])
with caplog.at_level(logging.INFO):
result = llm.call("What is the capital of France?")
assert "Retrying LLM call without the unsupported 'stop'" in caplog.text
assert isinstance(result, str)
assert "Paris" in result
@pytest.mark.vcr(filter_headers=["authorization"])
def test_llm_call_when_stop_is_unsupported_when_additional_drop_params_is_provided(caplog):
llm = LLM(model="o1-mini", stop=["stop"], additional_drop_params=["another_param"])
with caplog.at_level(logging.INFO):
result = llm.call("What is the capital of France?")
assert "Retrying LLM call without the unsupported 'stop'" in caplog.text
assert isinstance(result, str)
assert "Paris" in result