style(pre-commit): auto fixes from pre-commit.com hooks

pre-commit-ci[bot] · pre-commit-ci[bot] · commit 70db353978e9 · 2024-08-29T18:46:47.000Z
diff --git a/examples/voice_message_waveform.py b/examples/voice_message_waveform.py
@@ -2,7 +2,7 @@
 
 import base64
 import io
-from typing import Any, Union
+from typing import Any
 
 import numpy as np
 from PIL import Image, ImageDraw
