fix: condition

Author: GefMar

taskiq/middlewares/smart_retry_middleware.py

@@ -103,7 +103,9 @@ async def on_send(
         delay: float,
     ) -> None:
         """Execute the task with a delay."""
-        if isinstance(self.schedule_source, ScheduleSource):
+        if self.schedule_source is None:
+            await kicker.with_labels(delay=delay).kiq(*message.args, **message.kwargs)
+        else:
             target_time = datetime.datetime.now(datetime.UTC) + datetime.timedelta(
                 seconds=delay,
             )
@@ -113,8 +115,6 @@ async def on_send(
                 *message.args,
                 **message.kwargs,
             )
-        else:
-            await kicker.with_labels(delay=delay).kiq(*message.args, **message.kwargs)
 
     async def on_error(
         self,