Traceback (most recent call last):
File "/openstack/venvs/horizon-21.2.6.dev1/bin/horizon-manage.py", line 23, in <module>
    execute_from_command_line(sys.argv)
File "/openstack/venvs/horizon-21.2.6.dev1/lib/python3.7/site-packages/django/core/management/__init__.py", line 381, in execute_from_command_line
    utility.execute()
File "/openstack/venvs/horizon-21.2.6.dev1/lib/python3.7/site-packages/django/core/management/__init__.py", line 325, in execute
    settings.INSTALLED_APPS
File "/openstack/venvs/horizon-21.2.6.dev1/lib/python3.7/site-packages/django/conf/__init__.py", line 79, in __getattr__
    self._setup(name)
File "/openstack/venvs/horizon-21.2.6.dev1/lib/python3.7/site-packages/django/conf/__init__.py", line 66, in _setup
    self._wrapped = Settings(settings_module)
File "/openstack/venvs/horizon-21.2.6.dev1/lib/python3.7/site-packages/django/conf/__init__.py", line 157, in __init__
    mod = importlib.import_module(self.SETTINGS_MODULE)
File "/openstack/venvs/horizon-21.2.6.dev1/lib/python3.7/importlib/__init__.py", line 127, in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
File "<frozen importlib._bootstrap>", line 1006, in _gcd_import
File "<frozen importlib._bootstrap>", line 983, in _find_and_load
File "<frozen importlib._bootstrap>", line 967, in _find_and_load_unlocked
File "<frozen importlib._bootstrap>", line 677, in _load_unlocked
File "<frozen importlib._bootstrap_external>", line 728, in exec_module
File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed
File "/openstack/venvs/horizon-21.2.6.dev1/lib/python3.7/site-packages/openstack_dashboard/settings.py", line 345, in <module>
    INSTALLED_APPS,
File "/openstack/venvs/horizon-21.2.6.dev1/lib/python3.7/site-packages/openstack_dashboard/utils/settings.py", line 147, in update_dashboards
    for key, config in import_dashboard_config(modules):
File "/openstack/venvs/horizon-21.2.6.dev1/lib/python3.7/site-packages/openstack_dashboard/utils/settings.py", line 73, in import_dashboard_config
    for submodule in import_submodules(module).values():
File "/openstack/venvs/horizon-21.2.6.dev1/lib/python3.7/site-packages/openstack_dashboard/utils/settings.py", line 58, in import_submodules
    submodule = import_module(name)
File "/openstack/venvs/horizon-21.2.6.dev1/lib/python3.7/importlib/__init__.py", line 127, in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
File "<frozen importlib._bootstrap>", line 1006, in _gcd_import
File "<frozen importlib._bootstrap>", line 983, in _find_and_load
File "<frozen importlib._bootstrap>", line 967, in _find_and_load_unlocked
File "<frozen importlib._bootstrap>", line 677, in _load_unlocked
File "<frozen importlib._bootstrap_external>", line 728, in exec_module
File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed
File "/openstack/venvs/horizon-21.2.6.dev1/lib/python3.7/site-packages/openstack_dashboard/local/enabled/_50_murano.py", line 50, in <module>
    HORIZON_CONFIG['legacy_static_settings'] = LEGACY_STATIC_SETTINGS
NameError: name 'HORIZON_CONFIG' is not defined"