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fix(anthropic): skip non-string anthropic-beta list entries instead of raising

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mateo-berri 2026-11-04 21:02:53 -08:00
parent ff857389c5
commit af175185e1
2 changed files with 19 additions and 2 deletions
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2
litellm/llms/anthropic/common_utils.py
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@ -517,7 +517,7 @@ def merge_anthropic_beta_headers(existing: str | Sequence[str] | None, new_beta:
return ",".join(sorted(betas))
_HEADER_VALUE_LIST: Final = TypeAdapter(tuple[JsonValue, ...])
_HEADER_VALUE_LIST: Final = TypeAdapter(tuple[object, ...])
def _header_strings(value: object) -> tuple[str, ...]:

19
tests/unit/llms/anthropic/test_anthropic_common_utils.py
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@ -26,7 +26,12 @@ import pytest
import respx
import litellm
from litellm.llms.anthropic.common_utils import ToolsWithoutStrict, is_claude_tool_target, tools_without_strict
from litellm.llms.anthropic.common_utils import (
ToolsWithoutStrict,
is_claude_tool_target,
merge_header_sources,
tools_without_strict,
)
from litellm.llms.custom_httpx.http_handler import HTTPHandler
sys.path.insert(0, os.path.abspath(os.path.join(os.path.dirname(__file__), "../../../../..")))
@ -4728,3 +4733,15 @@ def test_tools_without_strict_drops_only_the_strict_key_and_counts_the_strict_to
assert tools_without_strict(tools) == ToolsWithoutStrict(
tools=({"name": "a"}, {"name": "b"}, {"name": "c"}), dropped_count=1
)
def test_merge_header_sources_keeps_only_the_string_betas_of_a_mixed_list() -> None:
merged: Final = merge_header_sources(
{"anthropic-beta": ["context-1m-2025-08-07", b"bytes-beta", ("nested",), object(), 3]},
{"Anthropic-Beta": "message-threads-2026-08-12", "x-other": "kept"},
)
assert dict(merged) == {
"anthropic-beta": "context-1m-2025-08-07,message-threads-2026-08-12",
"x-other": "kept",
}