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fix(community): usage error returned by Zhipuai streaming data was missing tokens-related information #7745

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Merged
merged 1 commit into from
Feb 27, 2025
Merged

fix(community): usage error returned by Zhipuai streaming data was missing tokens-related information #7745

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5 changes: 3 additions & 2 deletions libs/langchain-community/src/chat_models/zhipuai.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -514,7 +514,7 @@ export class ChatZhipuAI extends BaseChatModel implements ChatZhipuAIParams {
for await (const chunk of stream) {
if (chunk !== "[DONE]") {
const deserializedChunk = this._deserialize(chunk);
const { choices, id } = deserializedChunk;
const { choices, usage, id } = deserializedChunk;
const text = choices[0]?.delta?.content ?? "";
const finished = !!choices[0]?.finish_reason;
yield new ChatGenerationChunk({
Expand All @@ -524,7 +524,8 @@ export class ChatZhipuAI extends BaseChatModel implements ChatZhipuAIParams {
? {
finished,
request_id: id,
usage: chunk.usage,
// The usage of tokens is counted at the end of the stream
usage,
}
: undefined,
});
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