Update app.py

app.py

@@ -6,7 +6,7 @@ warnings.filterwarnings('ignore')
 
 from io_utils import read_audio_info, load_audio_mono
 from time_domain import compute_time_domain_stats
-from spectral_analysis import compute_spectral_analysis
+from spectral import compute_spectral_analysis
 from loudness_calc import compute_loudness
 from issue_detection import detect_audio_issues
 from synthetic_detector import detect_synthetic_voice