Installing app-catalog-ui with devstack fail due to "Could not satisfy constraints for 'horizon': installation from path or url cannot be constrained to a version"

[Hidekazu Nakamura]

Log is the following:

2016-04-13 06:09:27.952 | Installing collected packages: app-catalog-ui
2016-04-13 06:09:27.952 | Running setup.py develop for app-catalog-ui
2016-04-13 06:09:28.796 | Successfully installed app-catalog-ui-1.0.1.dev9
2016-04-13 06:09:28.955 | ++inc/python:pip_install:158 result=0
2016-04-13 06:09:28.959 | ++inc/python:pip_install:161 local test_req=/opt/stack/app-catalog-ui/test-requirements.txt
2016-04-13 06:09:28.968 | ++inc/python:pip_install:162 [[ 0 == 0 ]]
2016-04-13 06:09:28.980 | ++inc/python:pip_install:162 [[ -e /opt/stack/app-catalog-ui/test-requirements.txt ]]
2016-04-13 06:09:28.990 | ++inc/python:pip_install:163 echo 'Installing test-requirements for /opt/stack/app-catalog-ui/test-requirements.txt'
2016-04-13 06:09:28.990 | Installing test-requirements for /opt/stack/app-catalog-ui/test-requirements.txt
2016-04-13 06:09:28.998 | ++inc/python:pip_install:165 sudo -H http_proxy= https_proxy= no_proxy= PIP_FIND_LINKS= /usr/local/bin/pip2.7 install -c /opt/stack/requirements/upper-constraints.txt -r /opt/stack/app-catalog-ui/test-requirements.txt
2016-04-13 06:09:29.446 | Ignoring dnspython3: markers u"python_version=='3.4'" don't match your environment
2016-04-13 06:09:29.550 | Could not satisfy constraints for 'horizon': installation from path or url cannot be constrained to a version
2016-04-13 06:09:29.705 | +inc/python:pip_install:1 exit_trap
2016-04-13 06:09:29.708 | +./stack.sh:exit_trap:474 local r=1
2016-04-13 06:09:29.712 | ++./stack.sh:exit_trap:475 jobs -p
2016-04-13 06:09:29.724 | +./stack.sh:exit_trap:475 jobs=
2016-04-13 06:09:29.732 | +./stack.sh:exit_trap:478 [[ -n '' ]]
2016-04-13 06:09:29.738 | +./stack.sh:exit_trap:484 kill_spinner
2016-04-13 06:09:29.744 | +./stack.sh:kill_spinner:370 '[' '!' -z '' ']'
2016-04-13 06:09:29.750 | +./stack.sh:exit_trap:486 [[ 1 -ne 0 ]]
2016-04-13 06:09:29.756 | +./stack.sh:exit_trap:487 echo 'Error on exit'
2016-04-13 06:09:29.756 | Error on exit
2016-04-13 06:09:29.762 | +./stack.sh:exit_trap:488 generate-subunit 1460527635 134 fail
2016-04-13 06:09:29.938 | +./stack.sh:exit_trap:489 [[ -z /opt/stack/logs ]]
2016-04-13 06:09:29.941 | +./stack.sh:exit_trap:492 /home/hid-nakamura/devstack/tools/worlddump.py -d /opt/stack/logs
2016-04-13 06:09:30.002 | ovs-ofctl: br-int is not a bridge or a socket
2016-04-13 06:09:30.011 | ovs-ofctl: br-tun is not a bridge or a socket
2016-04-13 06:09:30.019 | ovs-ofctl: br-ex is not a bridge or a socket
2016-04-13 06:09:30.029 | ovs-ofctl: br-int is not a bridge or a socket
2016-04-13 06:09:30.039 | ovs-ofctl: br-tun is not a bridge or a socket
2016-04-13 06:09:30.050 | ovs-ofctl: br-ex is not a bridge or a socket
2016-04-13 06:09:30.203 | +./stack.sh:exit_trap:498 exit 1

[Hidekazu Nakamura (nakamura-h)]

related bug: https://bugs.launchpad.net/manila/+bug/1540188