langchain

730c5518 - core[patch]: export tool output parsers from langchain_core.output_parsers (#23305)

core[patch]: export tool output parsers from langchain_core.output_parsers (#23305) These currently read off AIMessage.tool_calls, and only fall back to OpenAI parsing if tool calls aren't populated. Importing these from `openai_tools` (e.g., in our [tool calling docs](https://python.langchain.com/v0.2/docs/how_to/tool_calling/#tool-calls)) can lead to confusion. After landing, would need to release core and update docs.