error in murano-dashboard when clicking on add component in environment

[sutefun]

Hello,

we have an openstack victoria deployment on ubuntu 20.04.
We use the murano-dashboard in horizon.
When clicking on add component in APP Catalog --> Applications --> Environments
we get an error page and apache2 reports an error.

environment:
Ubuntu 20.04.2 LTS
python3-murano-dashboard/focal-updates,now 1:10.0.0-0ubuntu1~cloud0

error:
> ==> /var/log/apache2/error.log <==
> [Thu Feb 18 14:17:51.223960 2021] [wsgi:error] [pid 3970511:tid 139721480873728] [remote 131.169.5.116:43998] /usr/lib/python3/dist-packages/django/contrib/staticfiles/templatetags/staticfiles.py:24: RemovedInDjango30Warning: {% load staticfiles %} is deprecated in favor of {% load static %}.
> [Thu Feb 18 14:17:51.224014 2021] [wsgi:error] [pid 3970511:tid 139721480873728] [remote 131.169.5.116:43998] warnings.warn(
> [Thu Feb 18 14:17:51.226557 2021] [wsgi:error] [pid 3970511:tid 139721480873728] [remote 131.169.5.116:43998] ERROR django.request Internal Server Error: /app-catalog/catalog/switch_environment/281f558410fb40bf8f5e090f04d90248
> [Thu Feb 18 14:17:51.226584 2021] [wsgi:error] [pid 3970511:tid 139721480873728] [remote 131.169.5.116:43998] Traceback (most recent call last):
> [Thu Feb 18 14:17:51.226590 2021] [wsgi:error] [pid 3970511:tid 139721480873728] [remote 131.169.5.116:43998] File "/usr/lib/python3/dist-packages/django/core/handlers/exception.py", line 34, in inner
> [Thu Feb 18 14:17:51.226594 2021] [wsgi:error] [pid 3970511:tid 139721480873728] [remote 131.169.5.116:43998] response = get_response(request)
> [Thu Feb 18 14:17:51.226598 2021] [wsgi:error] [pid 3970511:tid 139721480873728] [remote 131.169.5.116:43998] File "/usr/lib/python3/dist-packages/django/core/handlers/base.py", line 115, in _get_response
> [Thu Feb 18 14:17:51.226602 2021] [wsgi:error] [pid 3970511:tid 139721480873728] [remote 131.169.5.116:43998] response = self.process_exception_by_middleware(e, request)
> [Thu Feb 18 14:17:51.226606 2021] [wsgi:error] [pid 3970511:tid 139721480873728] [remote 131.169.5.116:43998] File "/usr/lib/python3/dist-packages/django/core/handlers/base.py", line 113, in _get_response
> [Thu Feb 18 14:17:51.226610 2021] [wsgi:error] [pid 3970511:tid 139721480873728] [remote 131.169.5.116:43998] response = wrapped_callback(request, *callback_args, **callback_kwargs)
> [Thu Feb 18 14:17:51.226615 2021] [wsgi:error] [pid 3970511:tid 139721480873728] [remote 131.169.5.116:43998] File "/usr/lib/python3/dist-packages/horizon/decorators.py", line 52, in dec
> [Thu Feb 18 14:17:51.226619 2021] [wsgi:error] [pid 3970511:tid 139721480873728] [remote 131.169.5.116:43998] return view_func(request, *args, **kwargs)
> [Thu Feb 18 14:17:51.226622 2021] [wsgi:error] [pid 3970511:tid 139721480873728] [remote 131.169.5.116:43998] File "/usr/lib/python3/dist-packages/horizon/decorators.py", line 36, in dec
> [Thu Feb 18 14:17:51.226626 2021] [wsgi:error] [pid 3970511:tid 139721480873728] [remote 131.169.5.116:43998] return view_func(request, *args, **kwargs)
> [Thu Feb 18 14:17:51.226630 2021] [wsgi:error] [pid 3970511:tid 139721480873728] [remote 131.169.5.116:43998] File "/usr/lib/python3/dist-packages/horizon/decorators.py", line 36, in dec
> [Thu Feb 18 14:17:51.226634 2021] [wsgi:error] [pid 3970511:tid 139721480873728] [remote 131.169.5.116:43998] return view_func(request, *args, **kwargs)
> [Thu Feb 18 14:17:51.226637 2021] [wsgi:error] [pid 3970511:tid 139721480873728] [remote 131.169.5.116:43998] File "/usr/lib/python3/dist-packages/horizon/decorators.py", line 113, in dec
> [Thu Feb 18 14:17:51.226641 2021] [wsgi:error] [pid 3970511:tid 139721480873728] [remote 131.169.5.116:43998] return view_func(request, *args, **kwargs)
> [Thu Feb 18 14:17:51.226656 2021] [wsgi:error] [pid 3970511:tid 139721480873728] [remote 131.169.5.116:43998] File "/usr/lib/python3/dist-packages/django/contrib/auth/decorators.py", line 21, in _wrapped_view
> [Thu Feb 18 14:17:51.226660 2021] [wsgi:error] [pid 3970511:tid 139721480873728] [remote 131.169.5.116:43998] return view_func(request, *args, **kwargs)
> [Thu Feb 18 14:17:51.226665 2021] [wsgi:error] [pid 3970511:tid 139721480873728] [remote 131.169.5.116:43998] File "/usr/lib/python3/dist-packages/muranodashboard/catalog/views.py", line 129, in switch
> [Thu Feb 18 14:17:51.226671 2021] [wsgi:error] [pid 3970511:tid 139721480873728] [remote 131.169.5.116:43998] if not http_utils.is_safe_url(url=redirect_to, host=request.get_host()):
> [Thu Feb 18 14:17:51.226674 2021] [wsgi:error] [pid 3970511:tid 139721480873728] [remote 131.169.5.116:43998] TypeError: is_safe_url() got an unexpected keyword argument 'host'

fix:
line 129

/usr/lib/python3/dist-packages/muranodashboard/catalog/views.py

from

if not http_utils.is_safe_url(url=redirect_to, host=request.get_host()):

to

if not http_utils.is_safe_url(url=redirect_to, allowed_hosts=request.get_host()):

Thanks and Greets