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For issue #888.
Yeah, this is something you cannot know beforehand. Luckily the only place where we use the module in Robot is related to NFC normalization that JVM does automatically. The code is in `robot.utils.unic` module in case you are interested.

Just tested that importing unicodedata is considerably faster in Jython 2.7b3 than 2.5.3. I think it used to parse some character information files in 2.5 but nowadays uses some IBM provided Unicode library.