Fix lint errors

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
Signed-off-by: Justin Chu <justinchu@microsoft.com>

Author: justinchuby

src/mobius/models/gemma4.py

@@ -1508,8 +1508,7 @@ def forward(
         query_input = input_ids if input_ids is not None else hidden_states
         fallback_bias_dict: dict[str, ir.Value | None] = {}
         need_fallback = not use_gqa or any(
-            layer.self_attn.is_kv_shared_layer
-            for layer in self.layers
+            layer.self_attn.is_kv_shared_layer for layer in self.layers
         )
         if need_fallback:
             if use_gqa: