Openstack - issues

ERROR: Cannot uninstall 'httplib2'. It is a distutils installed project and thus we cannot accurately determine which files belong to it which would lead to only a partial uninstall.
+inc/python:pip_install:1 exit_trap
+./stack.sh:exit_trap:533 local r=1
++./stack.sh:exit_trap:534 jobs -p
+./stack.sh:exit_trap:534 jobs=
+./stack.sh:exit_trap:537 [[ -n '' ]]
+./stack.sh:exit_trap:543 '[' -f '' ']'
+./stack.sh:exit_trap:548 kill_spinner
+./stack.sh:kill_spinner:443 '[' '!' -z '' ']'
+./stack.sh:exit_trap:550 [[ 1 -ne 0 ]]
+./stack.sh:exit_trap:551 echo 'Error on exit'
Error on exit
+./stack.sh:exit_trap:553 type -p generate-subunit
+./stack.sh:exit_trap:554 generate-subunit 1583819591 199 fail
+./stack.sh:exit_trap:556 [[ -z /opt/stack/logs ]]
+./stack.sh:exit_trap:559 /usr/bin/python3.5 /home/stack/devstack/tools/worlddump.py -d /opt/stack/logs
World dumping... see /opt/stack/logs/worlddump-2020-03-10-055631.txt for details
+./stack.sh:exit_trap:568 exit 1
stack@ubuntu1604:~/devstack$