Update app.py

app.py

@@ -14,7 +14,8 @@ def estimate_genre(filepath):
 
     try:
         # Tempo
-        tempo, _ = librosa.beat.beat_track(y=y, sr=sr)
+        tempo_array, _ = librosa.beat.beat_track(y=y, sr=sr)
+        tempo = float(tempo_array)
 
         # Spectral centroid (brightness)
         centroid = librosa.feature.spectral_centroid(y=y, sr=sr)
@@ -51,7 +52,7 @@ def estimate_genre(filepath):
 
     return {
         "Predicted Genre": genre,
-        "Tempo (BPM)": round(tempo, 1),
+        "Tempo (BPM)": round(float(tempo), 1),
         "Brightness (Centroid Mean)": round(centroid_mean, 1),
         "Brightness (Centroid Std)": round(centroid_std, 1),
         "Chroma Mean": round(chroma_mean, 3),