Fix imports and corrupted Ellipsis for trust_remote_code loading

modeling_nandi.py

@@ -30,7 +30,7 @@ from transformers.integrations import use_kernel_forward_from_hub
 from transformers.masking_utils import create_causal_mask
 from transformers.modeling_layers import GradientCheckpointingLayer
 from transformers.modeling_outputs import BaseModelOutputWithPast, CausalLMOutputWithPast
-from .modeling_rope_utils import ROPE_INIT_FUNCTIONS, dynamic_rope_update
+from transformers.modeling_rope_utils import ROPE_INIT_FUNCTIONS, dynamic_rope_update
 from transformers.modeling_utils import ALL_ATTENTION_FUNCTIONS, PreTrainedModel
 from transformers.processing_utils import Unpack
 from transformers.utils import TransformersKwargs, auto_docstring
@@ -109,8 +109,8 @@ class NandiRotaryEmbedding(nn.Module):
 
 def rotate_half(x):
     """Rotates half the hidden dims of the input."""
-    x1 = x[transformers., : x.shape[-1] // 2]
-    x2 = x[transformers., x.shape[-1] // 2 :]
+    x1 = x[..., : x.shape[-1] // 2]
+    x2 = x[..., x.shape[-1] // 2 :]
     return torch.cat((-x2, x1), dim=-1)