Error in build_rpm_wrapper for python-oslo-serialization: 

  RAN: /usr/bin/env /usr/bin/mock -v -r /home/centos9-master/data/dlrn-5.cfg --resultdir /home/centos9-master/data/repos/component/common/d2/fc/d2fc422fa9c00682ed0efeab0b52d8d5ee6fc6b6_2ed98866 --rebuild /home/centos9-master/data/repos/component/common/d2/fc/d2fc422fa9c00682ed0efeab0b52d8d5ee6fc6b6_2ed98866/python-oslo-serialization-5.10.0-0.20260308221148.d2fc422.el9.src.rpm --postinstall

  STDOUT:


  STDERR: