fix: Add missing commas in function calls and improve code formatting

app/services/dashboard.py

@@ -56,14 +56,14 @@ class DashboardService:
         try:
             # Calculate the date filter based on period
             date_filter = self._get_date_filter(period)
-            
+
             # Get top sounds from repository
             top_sounds = await self.sound_repository.get_top_sounds(
                 sound_type=sound_type,
                 date_filter=date_filter,
                 limit=limit,
             )
-            
+
             return [
                 {
                     "id": sound["id"],
@@ -86,7 +86,7 @@ class DashboardService:
                 period,
             )
             raise
-    
+
     def _get_date_filter(self, period: str) -> datetime | None:
         """Calculate the date filter based on the period."""
         now = datetime.now(UTC)