bhpy: fix bug in get_bhc_data_pointer() where we didn't discard and flush
bhpy: fix bug in get_bhc_data_pointer() where we didn't discard and flush

madsbk/bohrium,madsbk/bohrium,madsbk/bohrium,bh107/bohrium,madsbk/bohrium,bh107/bohrium,bh107/bohrium,bh107/bohrium