745         class MyFloat(float):  class
750             for type_ in (float, MyFloat, Decimal, MyDecimal):
759         class MyFloat(float):  class
761         for nan in (NAN, MyFloat(NAN)):
980         class MyFloat(float):  class
983         x = statistics._convert(Fraction(9, 8), MyFloat)
984         self.check_exact_equal(x, MyFloat(1.125))
1170         class MyFloat(float):  class
1179         for kind in (float, MyFloat, Decimal, Fraction):
1197         class MyFloat(float):  class
1211         return (float, Decimal, Fraction, MyFloat)