fixed gpu utilization

app.py

@@ -110,10 +110,12 @@ def process(language: str, model: str, audio_microphone: str, audio_file: str):
         time_diff = time_end - time_start
         memory = psutil.virtual_memory()
         gpu_utilization, gpu_memory = GPUInfo.gpu_usage()
+        gpu_utilization = gpu_utilization[0] if len(gpu_utilization) > 0 else 0
+        gpu_memory = gpu_memory[0] if len(gpu_memory) > 0 else 0
         system_info = f"""
         *Memory: {memory.total / (1024 * 1024 * 1024):.2f}GB, used: {memory.percent}%, available: {memory.available / (1024 * 1024 * 1024):.2f}GB.* 
         *Processing time: {time_diff:.5} seconds.*
-        *GPU Utilization: {gpu_utilization[0]}%, GPU Memory: {gpu_memory[0]}MiB.*
+        *GPU Utilization: {gpu_utilization}%, GPU Memory: {gpu_memory}MiB.*
         """
         print(f"### {datetime.now()} fp.name:", fp.name)
         return transcription, translation, fp.name, system_info