use req

.github/workflows/api_doc_build.yml

@@ -103,7 +103,7 @@ jobs:
           # skip airbyte and ibm due to pandas dependency issue
           poetry run python -m uv pip install $(ls ./libs/partners | grep -vE "airbyte|ibm" | xargs -I {} echo "./libs/partners/{}")
           poetry run python -m uv pip install libs/core libs/langchain libs/text-splitters
-          poetry install --with docs
+          poetry run python -m uv pip install -r docs/api_reference/requirements.txt
 
       - name: Build docs
         working-directory: langchain