def loss_function():
    return mse_chunked_sum_regularized(g_r=g_r, g_i=g_i, fg_r=fg_r, fg_i=fg_i, fg_comps=fg_comps, nchunks=nchunks, data_r=data_r, data_i=data_i, wgts=wgts, ant0_inds=ant0_inds, ant1_inds=ant1_inds, dtype=dtype, prior_r_sum=prior_r_sum, prior_i_sum=prior_i_sum)
def loss_function():
    return mse_chunked_sum_regularized(g_r=g_r, g_i=g_i, fg_r=fg_r, fg_i=fg_i, fg_comps=fg_comps, nchunks=nchunks, data_r=data_r, data_i=data_i, wgts=wgts, ant0_inds=ant0_inds, ant1_inds=ant1_inds, dtype=dtype, prior_r_sum=prior_r_sum, prior_i_sum=prior_i_sum)