FS037-updates-stein job fails with ModuleNotFoundError: No module named 'requests'

periodic-tripleo-ci-centos-7-multinode-1ctlr-featureset037-updates-stein consistently failing with below traceback :

2021-01-03 13:53:23.031633 | primary | +++(/etc/os-release:15): source(): REDHAT_SUPPORT_PRODUCT_VERSION=7
2021-01-03 13:53:23.031739 | primary | ++(/home/zuul/src/opendev.org/openstack/tripleo-ci/scripts/oooq_common_functions.sh:192): python_cmdistribution_major_version=7
2021-01-03 13:53:23.031836 | primary | ++(/home/zuul/src/opendev.org/openstack/tripleo-ci/scripts/oooq_common_functions.sh:193): python_cmcase $NAME in
2021-01-03 13:53:23.031936 | primary | ++(/home/zuul/src/opendev.org/openstack/tripleo-ci/scripts/oooq_common_functions.sh:200): python_cmdistribution=CentOS
2021-01-03 13:53:23.032034 | primary | ++(/home/zuul/src/opendev.org/openstack/tripleo-ci/scripts/oooq_common_functions.sh:201): python_cm'[' 7 -ge 8 ']'
2021-01-03 13:53:23.032130 | primary | ++(/home/zuul/src/opendev.org/openstack/tripleo-ci/scripts/oooq_common_functions.sh:236): python_cmecho python3
2021-01-03 13:53:23.032275 | primary | ++(/home/zuul/src/opendev.org/openstack/tripleo-ci/toci_gate_test.sh:113): basename /home/zuul/src/opendev.org/openstack/tripleo-quickstart/config/general_config/featureset037.yml
2021-01-03 13:53:23.033571 | primary | +(/home/zuul/src/opendev.org/openstack/tripleo-ci/toci_gate_test.sh:113): python3 /home/zuul/src/opendev.org/openstack/tripleo-ci/scripts/emit_releases_file/emit_releases_file.py --stable-release stein --featureset-file /home/zuul/src/opendev.org/openstack/tripleo-quickstart/config/general_config/featureset037.yml --output-file /home/zuul/workspace/logs/releases.sh --log-file /home/zuul/workspace/logs/emit_releases_file.log --distro-name centos --distro-version 7 --is-periodic
2021-01-03 13:53:23.102438 | primary | Traceback (most recent call last):
2021-01-03 13:53:23.102611 | primary | File "/home/zuul/src/opendev.org/openstack/tripleo-ci/scripts/emit_releases_file/emit_releases_file.py", line 38, in <module>
2021-01-03 13:53:23.102648 | primary | import requests
2021-01-03 13:53:23.102700 | primary | ModuleNotFoundError: No module named 'requests'
2021-01-03 13:53:23.496742 | primary | ERROR
2021-01-03 13:53:23.496917 | primary | {
2021-01-03 13:53:23.496970 | primary | "delta": "0:00:02.769701",
2021-01-03 13:53:23.497012 | primary | "end": "2021-01-03 13:53:23.112736",
2021-01-03 13:53:23.497080 | primary | "msg": "non-zero return code",
2021-01-03 13:53:23.497121 | primary | "rc": 1,
2021-01-03 13:53:23.497159 | primary | "start": "2021-01-03 13:53:20.343035"
2021-01-03 13:53:23.497196 | primary | }
2021-01-03 13:53:23.669015 |
2021-01-03 13:53:23.669215 | PLAY RECAP
2021-01-03 13:53:23.669344 | primary | ok: 8 changed: 5 unreachable: 0 failed: 1 skipped: 11 rescued: 0 ignored: 0

Reference Links :

https://logserver.rdoproject.org/openstack-periodic-integration-stable4-5/opendev.org/openstack/tripleo-ci/master/periodic-tripleo-ci-centos-7-multinode-1ctlr-featureset037-updates-stein/96a4566/job-output.txt

https://logserver.rdoproject.org/openstack-periodic-integration-stable4-5/opendev.org/openstack/tripleo-ci/master/periodic-tripleo-ci-centos-7-multinode-1ctlr-featureset037-updates-stein/c5110fa/job-output.txt