I was deploying a streamlit app and got an import error. My project is on face-Mesh Mediapipe. the error is showing as " ImportError: This app has encountered an error. "

🚀 Deployment
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File "/home/appuser/venv/lib/python3.9/site-packages/streamlit/runtime/scriptrunner/script_runner.py", line 565, in _run_script
    exec(code, module.__dict__)File "/app/face-count/app.py", line 2, in <module>
    import mediapipe as mpFile "/home/appuser/venv/lib/python3.9/site-packages/mediapipe/__init__.py", line 16, in <module>
    import mediapipe.python.solutions as solutionsFile "/home/appuser/venv/lib/python3.9/site-packages/mediapipe/python/solutions/__init__.py", line 17, in <module>
    import mediapipe.python.solutions.drawing_stylesFile "/home/appuser/venv/lib/python3.9/site-packages/mediapipe/python/solutions/drawing_styles.py", line 20, in <module>
    from mediapipe.python.solutions.drawing_utils import DrawingSpecFile "/home/appuser/venv/lib/python3.9/site-packages/mediapipe/python/solutions/drawing_utils.py", line 19, in <module>
    import cv2
``'

My requirements file:
mediapipe==0.9.0.1
numpy==1.24.1
opencv_python==4.7.0.68
Pillow==9.4.0
streamlit==1.17.0
tensorflow==2.11.0
mdurl==0.1.2
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Hey @gourav631,

Thanks for sharing your question! Please edit your post to include the full error message you’re seeing + a code snippet from your app so that we can reproduce the error.

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Screenshot (1197)
Screenshot (1197)1920×1080 327 KB

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Hey @gourav631 :wave:

Check out:

You need to include libgl1 in a packages.txt file.

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Hey @snehankekre
Thank you for the solution it worked and now i also understood how to deploy opencv related app on streamlit. Thanks!!!

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