Fix failing CI due to PR #557 merge (#616)

fix failing tests due to PR #557
Signed-off-by: Sudhakar Singh <sudhakars@nvidia.com>
Co-authored-by: cyanguwa <8636796+cyanguwa@users.noreply.github.com>

tests/pytorch/test_numerics.py

@@ -1225,7 +1225,7 @@ def test_transformer_layer_hidden_states_format(dtype, bs, model):
             kv_channels=config.embed,
             apply_residual_connection_post_layernorm=False,
             output_layernorm=False,
-            hidden_states_format="sbhd"
+            attn_input_format="sbhd"
         )
         .to(dtype=dtype)
         .cuda()
@@ -1248,7 +1248,7 @@ def test_transformer_layer_hidden_states_format(dtype, bs, model):
             kv_channels=config.embed,
             apply_residual_connection_post_layernorm=False,
             output_layernorm=False,
-            hidden_states_format="bshd"
+            attn_input_format="bshd"
         )
         .to(dtype=dtype)
         .cuda()

transformer_engine/pytorch/attention.py

@@ -1034,7 +1034,11 @@ def _rotate_half(x: torch.Tensor) -> torch.Tensor:
     return torch.cat((-x2, x1), dim=-1)
 
 
-def apply_rotary_pos_emb(t: torch.Tensor, freqs: torch.Tensor, tensor_format: str = "sbhd") -> torch.Tensor:
+def apply_rotary_pos_emb(
+        t: torch.Tensor,
+        freqs: torch.Tensor,
+        tensor_format: str = "sbhd"
+    ) -> torch.Tensor:
     """
         Parameters
         ----------
@@ -1056,8 +1060,10 @@ def apply_rotary_pos_emb(t: torch.Tensor, freqs: torch.Tensor, tensor_format: st
 
     # Only apply the rotary embeddings up to the sequence length of the running
     # input.
-    assert cur_seq_len <= max_seq_len, (f"Rotary Embeddings only supported "
-                                        "upto {max_seq_len} sequence length!")
+    if cur_seq_len > max_seq_len:
+        raise Exception(f"Rotary Embeddings only supported upto {max_seq_len} "
+                        "sequence length!")
+
     freqs = freqs[:cur_seq_len].to(t.dtype)
     if tensor_format == "bshd":
         freqs = freqs.transpose(0,1) # [seq, 1, 1, dim] -> [1, seq, 1, dim]