Update app.py

app.py

@@ -215,8 +215,8 @@ def add_voice_labelv2(json_file, audio_path):
 
             print("modifying json data... \n")
             vocal_times.append( {
-            "start_time": f"{start_minutes}.{start_seconds:.2f}",
-            "end_time": f"{end_minutes}.{end_seconds:.2f}"
+            "start_time": f"{start_minutes}.{start_seconds:.0f}",
+            "end_time": f"{end_minutes}.{end_seconds:.0f}"
             })
 
             begin_seq = True