langchain/utilities/vertexai.py/raise_vertex_import_error
def raise_vertex_import_error() -> None:
    """Raise ImportError related to Vertex SDK being not available.

    Raises:
        ImportError: an ImportError that mentions a required version of the SDK.
    """
    sdk = "'google-cloud-aiplatform>=1.25.0'"
    raise ImportError(
        "Could not import VertexAI. Please, install it with " f"pip install {sdk}"
    )