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ImportError: libIlmImf-2_5.so.25: cannot open shared object file: No such file or directory #551

@neuron-whisperer

Description

@neuron-whisperer

Expected behaviour

Installed OpenCV on Raspberry Pi 4 using fully updated Buster. Expected OpenCV to import successfully.

Actual behaviour

"ImportError: libIlmImf-2_5.so.25: cannot open shared object file: No such file or directory"

Steps to reproduce

(1) Obtain Raspberry Pi 4

(2) Install Buster

(3) Fully update Buster via sudo apt-get upgrade

(4) Install Python 3 via pyenv

(5) python -m pip install opencv-python (or opencv-python-headless)

(6) Start Python and import cv2

Issue submission checklist
  • This is not a generic OpenCV usage question (looking for help for coding, other usage questions, homework etc.)
  • I have read the README of this repository and understand that this repository provides only an automated build toolchain for OpenCV Python packages (there is no actual OpenCV code here)
  • The issue is related to the build scripts in this repository, to the pre-built binaries or is a feature request (such as "please enable this additional dependency")
  • I'm using the latest version of opencv-python

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