transformers

3230fb50 - Only default `rope_parameters` to empty `dict` if there is something to put in it (#42651)

Only default `rope_parameters` to empty `dict` if there is something to put in it (#42651) * Only default `rope_parameters` to empty `dict` if there is something to put in it Signed-off-by: Harry Mellor <19981378+hmellor@users.noreply.github.com> * Add warning Signed-off-by: Harry Mellor <19981378+hmellor@users.noreply.github.com> * Also catch explicit `{}` Signed-off-by: Harry Mellor <19981378+hmellor@users.noreply.github.com> * Handle model with layer types and rope theta but not rope parameters Signed-off-by: Harry Mellor <19981378+hmellor@users.noreply.github.com> --------- Signed-off-by: Harry Mellor <19981378+hmellor@users.noreply.github.com>