class BaseClass(object):
    def __init__(self):
        with open(config.txt) as f
            self.config_array = f.readlines()

class FirstOrderSubClass(BaseClass):
    def __init__(self, name):
        self.name = name

class SecondOrderSubClass(FirstOrderSubClass):
    def __init__(self, name, version):
        self.name = name
        self.version = version
        super(SecondOrderSubClass, self).__init__(self.name)
        # needed to access self.config_array
        print self.config_array

TypeError: __getattr__() takes exactly 1 argument (2 given)

class FirstOrderSubClass(BaseClass):
    def __init__(self, name):
        super(FirstOrderSubClass, self).__init__()
        self.name = name

class SecondOrderSubClass(FirstOrderSubClass):
    def __init__(self, name, version):
        super(SecondOrderSubClass, self).__init__(self.name)
        self.version = version
        BaseClass.__init__(self)

class BaseClass(object):
    def __init__(self, *args, **kw):
        with open(config.txt) as f
            self.config_array = f.readlines()

class FirstOrderSubClass(BaseClass):
    def __init__(self, name, *args, **kw):
        super(FirstOrderSubClass, self).__init__(*args, **kw)
        self.name = name

class SecondOrderSubClass(FirstOrderSubClass):
    def __init__(self, name, version, *args, **kw):
        super(SecondOrderSubClass, self).__init__(name, *args, **kw)
        self.version = version

class BaseClass(object):
    def __init__(self):
        with open("config.example.txt",'w') as f:
            f.write("Hello world")
        with open("config.example.txt") as f:
            self.config_array = f.readlines()

class FirstOrderSubClass(BaseClass):
    def __init__(self, name):
        super(FirstOrderSubClass,self).__init__()
        self.name = name

class SecondOrderSubClass(FirstOrderSubClass):
    def __init__(self, name, version):
        self.name = name
        self.version = version
        super(SecondOrderSubClass, self).__init__(self.name)
        # needed to access self.config_array

grandchild = SecondOrderSubClass("peter",2.0)
print grandchild.config_array
##>>>
##['Hello world']