[HOOK - conan-center.py] post_package(): ERROR: [PC-FILES (KB-H020)] The conan-center repository doesn't allow the packages to contain `pc` files. The packages have to be located using generators and the declared `cpp_info` information (https://github.com/conan-io/conan-center-index/blob/master/docs/error_knowledge_base.md#KB-H020) 
[HOOK - conan-center.py] post_package(): ERROR: [PC-FILES (KB-H020)] Found files:
./lib/pkgconfig/opencv.pc (https://github.com/conan-io/conan-center-index/blob/master/docs/error_knowledge_base.md#KB-H020) 
ERROR: [HOOK - conan-center.py] post_package(): Some checks failed running the hook, check the output