[Python] How to round up a complex number?

How can I round up a complex number (e.g. 1.9999999999999998-2j) as 2-2j?

When I tried using

print(round(x, 2))


it showed

Traceback (most recent call last):
File "C:\Python34\FFT.py", line 22, in <module>
print(round(x, 2))
TypeError: type complex doesn't define __round__ method


That's Python 3.4. I also tried in Python 2 and got TypeError: can't convert complex to float

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