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fix(streaming): align non-beta accumulator with beta implementation #1586

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fix(streaming): align non-beta accumulator with beta implementation #1586

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2 changes: 1 addition & 1 deletion examples/messages_stream.py
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Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
#!/usr/bin/env -S rye run python
#!/usr/bin/env -S uv run python

import asyncio

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7 changes: 5 additions & 2 deletions src/anthropic/lib/streaming/_messages.py
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Original file line number Diff line number Diff line change
@@ -1,5 +1,6 @@
from __future__ import annotations

import builtins
from types import TracebackType
from typing import TYPE_CHECKING, Any, Type, Generic, Callable, cast
from typing_extensions import Self, Iterator, Awaitable, AsyncIterator, assert_never
Expand Down Expand Up @@ -445,7 +446,9 @@ def accumulate_event(
),
)
if not isinstance(cast(Any, event), BaseModel):
raise TypeError(f"Unexpected event runtime type, after deserialising twice - {event} - {type(event)}")
raise TypeError(
f"Unexpected event runtime type, after deserialising twice - {event} - {builtins.type(event)}"
)

if current_snapshot is None:
if event.type == "message_start":
Expand All @@ -458,7 +461,7 @@ def accumulate_event(
current_snapshot.content.append(
cast(
Any, # Pydantic does not support generic unions at runtime
construct_type(type_=ParsedContentBlock, value=event.content_block.model_dump()),
construct_type(type_=ParsedContentBlock, value=event.content_block.to_dict()),
),
)
elif event.type == "content_block_delta":
Expand Down