langchain

7a75bb21 - docs: fix minor typo + add wikipedia package installation part in human_input_llm.ipynb (#5118)

docs: fix minor typo + add wikipedia package installation part in human_input_llm.ipynb (#5118) # Fix typo + add wikipedia package installation part in human_input_llm.ipynb This PR 1. Fixes typo ("the the human input LLM"), 2. Addes wikipedia package installation part (in accordance with `WikipediaQueryRun` [documentation](https://python.langchain.com/en/latest/modules/agents/tools/examples/wikipedia.html)) in `human_input_llm.ipynb` (`docs/modules/models/llms/examples/human_input_llm.ipynb`)