def __pos__(a):
        return Fraction(a._numerator, a._denominator)
Ensure that callFromThread from inside a callFromThread
dataset/ETHPy150Open deanhiller/databus/webapp/play1.3.x/python/Lib/fractions.py/Fraction.__pos__--crossover with--dataset/ETHPy150Open kuri65536/python-for-android/python-modules/twisted/twisted/test/test_internet.py/CallFromThreadTests.testCallFromThreadStops