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/9a/52/9a529626793e854d4a0de95e44c6f23c2023cc10_2ed98866 --rebuild /home/centos9-master/data/repos/component/common/9a/52/9a529626793e854d4a0de95e44c6f23c2023cc10_2ed98866/python-oslo-serialization-5.10.0-0.20260428161144.9a52962.el9.src.rpm --postinstall

  STDOUT:


  STDERR: