use warn from warnings module

Author: igor-gorohovsky

taskiq/result_backends/dummy.py

@@ -1,4 +1,4 @@
-from logging import getLogger
+import warnings
 from typing import Any, TypeVar
 
 from taskiq.abc.result_backend import AsyncResultBackend
@@ -7,9 +7,6 @@
 _ReturnType = TypeVar("_ReturnType")
 
 
-logger = getLogger("taskiq")
-
-
 class DummyResultBackend(AsyncResultBackend[_ReturnType]):  # pragma: no cover
     """Default result backend, that does nothing."""
 
@@ -45,7 +42,10 @@ async def get_result(self, task_id: str, with_logs: bool = False) -> Any:
         :param with_logs: wether to fetch logs.
         :returns: TaskiqResult.
         """
-        logger.warning("No result backend configured. Returning dummy result...")
+        warnings.warn(
+            "No result backend configured. Returning dummy result...",
+            stacklevel=2,
+        )
 
         return TaskiqResult(
             is_err=False,