help me float error

[ginowhis]

C:\Users\umutd\Desktop\pyqt5-custom-widgets-1.0.1\examples>example_requesthandler.py
Traceback (most recent call last):
File "C:\Users\umutd\Desktop\pyqt5-custom-widgets-1.0.1\examples\pyqt5Custom\styledbutton.py", line 276, in paintEvent
else: fc = self.anim_hover.lerp(fc1, fc2)
File "C:\Users\umutd\Desktop\pyqt5-custom-widgets-1.0.1\examples\pyqt5Custom\animation.py", line 102, in lerp
return QColor(r, g, _b, _a)
TypeError: arguments did not match any overloaded call:
QColor(color: Qt.GlobalColor): argument 1 has unexpected type 'float'
QColor(rgb: int): argument 1 has unexpected type 'float'
QColor(rgba64: QRgba64): argument 1 has unexpected type 'float'
QColor(variant: Any): too many arguments
QColor(): too many arguments
QColor(r: int, g: int, b: int, alpha: int = 255): argument 1 has unexpected type 'float'
QColor(aname: str): argument 1 has unexpected type 'float'
QColor(acolor: Union[QColor, Qt.GlobalColor, QGradient]): argument 1 has unexpected type 'float'