[Python] Calling base class method in Python fails with TypeError [closed]

I created a base class:

from abc import ABC, abstractmethod
class WireShape(ABC):
positionList =[]
...


and a derived class:

from WireClassBase import *
class WireCircle(WireShape):
...


In the main file I create an instance and pass it to a function that knows only the Base definition

circleShape = WireCircle()
circleShape.createPositions()
initialiseScreen(screen, circleShape)


Here it fails, the code is wrong:

def initialiseScreen(screen, shape):
screen.fill(white)
for entry in super(shape).positionList:
...


Exception has occurred: TypeError
super() argument 1 must be a type, not WireCircle

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