move Llama4Config importation path for compatibility with wider transformers versions

Signed-off-by: cjackal <44624812+cjackal@users.noreply.github.com>

Author: cjackal

src/llmcompressor/modeling/llama4.py

@@ -1,8 +1,10 @@
 from typing import Tuple
 
 import torch
-from transformers.models import Llama4Config
-from transformers.models.llama4.configuration_llama4 import Llama4TextConfig
+from transformers.models.llama4.configuration_llama4 import (
+    Llama4Config,
+    Llama4TextConfig,
+)
 from transformers.models.llama4.modeling_llama4 import (
     Llama4TextExperts,
     Llama4TextMLP,