Frequently Asked Questions

Common Build Issues

Issue 1:

ValueError: numpy.ndarray size changed, may indicate binary incompatibility. Expected 88 from C header, got 80 from PyObject
Solution: reinstall pycocotools by “pip install pycocotools –no-cache-dir”

Issue 2:

ImportError: libGL.so.1: cannot open shared object file: No such file or directory
Solution: apt install or yum install opencv