Version-Release number of selected component:
system-config-language-3.3.0-3.fc24

Additional info:
reporter:       libreport-2.7.1
cmdline:        /usr/bin/python3 /usr/share/system-config-language/system-config-language.py
executable:     /usr/share/system-config-language/system-config-language.py
kernel:         4.1.6-201.fc22.i686
pkg_fingerprint: 73BD E983 81B4 6521
pkg_vendor:     Fedora Project
reproducible:   Not sure how to reproduce the problem
runlevel:       N 5
type:           Python3
uid:            0

Truncated backtrace:
repo.py:847:load:dnf.exceptions.RepoError: Failed to synchronize cache for repo 'updates'

Traceback (most recent call last):
  File "/usr/lib/python3.5/site-packages/dnf/repo.py", line 226, in perform
    return super(_Handle, self).perform(result)
  File "/usr/lib/python3.5/site-packages/librepo/__init__.py", line 1506, in perform
    _librepo.Handle.perform(self, result)
librepo.LibrepoException: (8, "Cannot prepare internal mirrorlist: Curl error (6): Couldn't resolve host name for https://mirrors.fedoraproject.org/metalink?repo=updates-released-f24&arch=i386 [Could not resolve host: mirrors.fedoraproject.org]", 'An Curl handle error')

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/lib/python3.5/site-packages/dnf/repo.py", line 825, in load
    if self._try_revive():
  File "/usr/lib/python3.5/site-packages/dnf/repo.py", line 739, in _try_revive
    handle.perform()
  File "/usr/lib/python3.5/site-packages/dnf/repo.py", line 230, in perform
    raise _DetailedLibrepoError(exc, source)
dnf.repo._DetailedLibrepoError

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/share/system-config-language/language_gui.py", line 308, in ok_btn
    installed = self.instpkg.install_packages3(dlang)
  File "/usr/share/system-config-language/install_packages3.py", line 231, in install_packages3
    self.base.fill_sack()
  File "/usr/lib/python3.5/site-packages/dnf/base.py", line 239, in fill_sack
    self._add_repo_to_sack(r)
  File "/usr/lib/python3.5/site-packages/dnf/base.py", line 111, in _add_repo_to_sack
    repo.load()
  File "/usr/lib/python3.5/site-packages/dnf/repo.py", line 847, in load
    raise dnf.exceptions.RepoError(msg)
dnf.exceptions.RepoError: Failed to synchronize cache for repo 'updates'

Local variables in innermost frame:
msg: "Failed to synchronize cache for repo 'updates'"
self: <Repo updates>
dmsg: "Cannot download '%s': %s."