Why language code changed by itself?

asked 2016-12-25 18:56:54 -0600

AaronHuang gravatar image

updated 2016-12-25 19:23:02 -0600

Someday I found that I cann't voteup for somebody. Although the upvote sign turned green, but his karma doesn't go up.

In settings.py, I have

LANGUAGES = (('zh-TW', 'Chinese'),)

And I found that in the database, the repute table's language code changed by it self to lowercase after some day.

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Does anyone know how to fix this?
Why it set the language_code to 'zh-tw' for my language_code is 'zh-TW'?

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