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fix(openai): Remove extra serialized params for OpenAI messages #7414

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merged 1 commit into from
Dec 20, 2024
+8 −3
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fix(openai): Remove extra serialized params for OpenAI messages #7414

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11 changes: 8 additions & 3 deletions libs/langchain-openai/src/chat_models.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -15,6 +15,7 @@ import {
OpenAIToolCall,
isAIMessage,
UsageMetadata,
BaseMessageFields,
} from "@langchain/core/messages";
import {
type ChatGeneration,
Expand Down Expand Up @@ -1677,9 +1678,13 @@ export class ChatOpenAI<
}
// Fields are not serialized unless passed to the constructor
// Doing this ensures all fields on the message are serialized
generation.message = new AIMessage({
...generation.message,
});
generation.message = new AIMessage(
Object.fromEntries(
Object.entries(generation.message).filter(
([key]) => !key.startsWith("lc_")
)
) as BaseMessageFields
);
generations.push(generation);
}
return {
Expand Down
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