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/70/8e/708ee9215ab9c9b85053e833c2e7d42a827dd464_2ed98866 --rebuild /home/centos9-master/data/repos/component/common/70/8e/708ee9215ab9c9b85053e833c2e7d42a827dd464_2ed98866/python-oslo-serialization-5.9.0-0.20250911224433.708ee92.el9.src.rpm --postinstall

  STDOUT:


  STDERR: