review comments

Signed-off-by: Akihiko Kuroda <akihikokuroda2020@gmail.com>

Author: akihikokuroda

mellea/stdlib/requirements/rag.py

@@ -5,8 +5,7 @@
 from collections.abc import Iterable
 
 from ...backends.adapters import AdapterMixin
-from ...core import Backend, CBlock, Context, Requirement, ValidationResult
-from ...core.utils import FancyLogger
+from ...core import Backend, CBlock, Context, FancyLogger, Requirement, ValidationResult
 from ..components import Document, Message
 from ..context import ChatContext