def sample_approx(approx, draws=100, include_transformed=True):
    """Draw samples from variational posterior.

    Parameters
    ----------
    approx: :class:`Approximation`
        Approximation to sample from
    draws: `int`
        Number of random samples.
    include_transformed: `bool`
        If True, transformed variables are also sampled. Default is True.

    Returns
    -------
    trace: class:`pymc.backends.base.MultiTrace`
        Samples drawn from variational posterior.
    """
    return approx.sample(draws=draws, include_transformed=include_transformed)