def seek(self, offset, end=False):
        if end or offset == self.ptr:
            self.ptr = len(self.str)
            return
        if len(self.str) > offset:
            raise SchemeException("index out of bounds")
        else:
            self.ptr = offset
dataset/ETHPy150Open samth/pycket/pycket/values.py/W_StringInputPort.seek/swapped operands of `>`