fix: CI errors for ruff

Signed-off-by: dronefreak <kumaar324@gmail.com>

Author: Saumya Saksena

scripts/inference.py

@@ -8,6 +8,7 @@
 - Test-Time Augmentation (TTA)
 - Soft-NMS post-processing
 """
+
 from __future__ import annotations
 
 from __future__ import annotations

scripts/webcam_demo.py

@@ -2,6 +2,7 @@
 
 Press 'q' to quit, 's' to save a frame.
 """
+
 from __future__ import annotations
 
 from __future__ import annotations

visdrone_toolkit/utils.py

@@ -3,6 +3,7 @@
 
 Includes model factory, collate functions, and other helper utilities.
 """
+
 from __future__ import annotations
 
 from __future__ import annotations

visdrone_toolkit/visualization.py

@@ -3,6 +3,7 @@
 
 Provides functions to visualize ground truth annotations and model predictions.
 """
+
 from __future__ import annotations
 
 from __future__ import annotations