Android Studio – Chaquopy: ModuleNotFoundError: No module named 'distutils.util'

I am trying to make an app with android studio, i imported chaquopy and python runs it.. (app is ok fine but when start python script cv2 is missing)
in the python program I use opencv so I have to import the library the fact is that if I add:

     python {      
         pip {   
              install "opencv-python"  
            }
        }

in the defaultconfig and try sync now:

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Process 'command 'python3.8'' finished with non-zero exit value 1
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Execution failed for task ':app:generateDebugPythonRequirements'.
ModuleNotFoundError: No module named 'distutils.util'
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> Process 'command 'python3.8'' finished with non-zero exit value 1
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ModuleNotFoundError: No module named 'distutils.util'
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Process 'command '/usr/bin/python3.8'' finished with non-zero exit value 1
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gradle is update at last version