After upgrade to F28 system-config-language does not work anymore. system-config-language

(system-config-language.py:7592): Gtk-WARNING **: 13:50:13.217: Locale not supported by C library. Using the fallback 'C' locale. Failed to set locale, defaulting to C Traceback (most recent call last): File "/usr/share/system-config-language/language_gui.py", line 348, in do_activate win = ChildWindow(self) File "/usr/share/system-config-language/language_gui.py", line 60, in __init__ self.fill_store() File "/usr/share/system-config-language/language_gui.py", line 125, in fill_store lines = self.lang_backend.read_table() File "/usr/share/system-config-language/language_backend.py", line 94, in read_table lines = fd.readlines() File "/usr/lib64/python3.6/encodings/ascii.py", line 26, in decode return codecs.ascii_decode(input, self.errors)[0] UnicodeDecodeError: 'ascii' codec can't decode byte 0xd0 in position 1513: ordinal not in range(128) ^CTraceback (most recent call last): File "/usr/share/system-config-language/system-config-language.py", line 76, in <module> scl.run() File "/usr/share/system-config-language/system-config-language.py", line 68, in run self.use_gui_mode() File "/usr/share/system-config-language/system-config-language.py", line 46, in use_gui_mode app.run(sys.argv) File "/usr/lib64/python3.6/site-packages/gi/overrides/Gio.py", line 42, in run return Gio.Application.run(self, *args, **kwargs) File "/usr/lib64/python3.6/contextlib.py", line 88, in __exit__ next(self.gen) File "/usr/lib64/python3.6/site-packages/gi/_ossighelper.py", line 263, in register_sigint_fallback signal.default_int_handler()

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