def get_function_as_callable(self, function_name: str) -> Callable[..., Any]:
        """
        Get the Python callable function for a function by its name.

        Args:
            function_name: The name of the function to retrieve from Unity Catalog.

        Returns:
            Callable: The Python callable function.
        """

        Get the Python callable function for a function by its name.

        Args:
            function_name: The name of the function to retrieve from Unity Catalog.

        Returns:
            Callable: The Python callable function.
        
ai/core/src/unitycatalog/ai/core/base.py