Error when installin python dependencies
Hello I've used your self install scriptavaillable here https://docs.funkwhale.audio/installation/index.html
Everything was ok since installation of python dependencies , when installing pendulum , it raises this error
ERROR: Exception: Traceback (most recent call last): File "/srv/funkwhale/virtualenv/lib/python3.6/site-packages/pip/_internal/cli/base_command.py", line 188, in main status = self.run(options, args) File "/srv/funkwhale/virtualenv/lib/python3.6/site-packages/pip/_internal/commands/install.py", line 345, in run resolver.resolve(requirement_set) File "/srv/funkwhale/virtualenv/lib/python3.6/site-packages/pip/_internal/legacy_resolve.py", line 196, in resolve self._resolve_one(requirement_set, req) File "/srv/funkwhale/virtualenv/lib/python3.6/site-packages/pip/_internal/legacy_resolve.py", line 359, in _resolve_one abstract_dist = self._get_abstract_dist_for(req_to_install) File "/srv/funkwhale/virtualenv/lib/python3.6/site-packages/pip/_internal/legacy_resolve.py", line 307, in _get_abstract_dist_for self.require_hashes File "/srv/funkwhale/virtualenv/lib/python3.6/site-packages/pip/_internal/operations/prepare.py", line 215, in prepare_linked_requirement finder, self.build_isolation, File "/srv/funkwhale/virtualenv/lib/python3.6/site-packages/pip/_internal/distributions/source.py", line 70, in prepare_distribution_metadata reqs = self.req.pep517_backend.get_requires_for_build_wheel() File "/srv/funkwhale/virtualenv/lib/python3.6/site-packages/pip/_vendor/pep517/wrappers.py", line 71, in get_requires_for_build_wheel 'config_settings': config_settings File "/srv/funkwhale/virtualenv/lib/python3.6/site-packages/pip/_vendor/pep517/wrappers.py", line 162, in _call_hook raise BackendUnavailable pip._vendor.pep517.wrappers.BackendUnavailable
Can you help me ?