trying to fix

app.py

@@ -34,9 +34,15 @@ def install_cuda_if_gpu_detected():
     if torch.cuda.is_available():
         print("GPU detected! Proceeding with installation...")
         try:
+            # Update package list and install necessary packages
+            subprocess.run(['apt-get', 'update'], check=True)
+            subprocess.run(['apt-get', 'install', '-y', 'software-properties-common'], check=True)
+
             # Add NVIDIA's package repositories
             subprocess.run(['apt-key', 'adv', '--fetch-keys', 'https://developer.download.nvidia.com/compute/cuda/repos/debian11/x86_64/3bf863cc.pub'], check=True)
             subprocess.run(['add-apt-repository', 'deb https://developer.download.nvidia.com/compute/cuda/repos/debian11/x86_64/ /'], check=True)
+
+            # Update package list again
             subprocess.run(['apt-get', 'update'], check=True)
 
             # Install CUDA dependencies
@@ -49,6 +55,7 @@ def install_cuda_if_gpu_detected():
         print("No GPU detected. Skipping installation.")
 
 
+
 # Run the function
 install_cuda_if_gpu_detected()