This causes test_float.py to fail with glibc > 2.26.
ERROR: test_float_with_comma (__main__.GeneralFloatCases)
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Traceback (most recent call last):
File "/home/abuild/rpmbuild/BUILD/Python-3.6.2/Lib/test/support/__init__.py", line 1590, in inner
return func(*args, **kwds)
File "Lib/test/test_float.py", line 150, in test_float_with_comma
if not locale.localeconv()['decimal_point'] == ',':
File "/home/abuild/rpmbuild/BUILD/Python-3.6.2/Lib/locale.py", line 110, in localeconv
d = _localeconv()
UnicodeDecodeError: 'locale' codec can't decode byte 0xa0 in position 0: Invalid or incomplete multibyte or wide character
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