def _string_from_ip_int(self, ip_int=None):
        if not ip_int and ip_int != 0:
            ip_int = int(self._ip)

        if ip_int > self._ALL_ONES:
            raise ValueError('IPv6 address is too large')

        hex_str = '%032x' % ip_int
        hextets = []
        for x in range(0, 32, 4):
            hextets.append('%x' % int(hex_str[x:x+4], 16))

        hextets = self._compress_hextets(hextets)
        return ':'.join(hextets)
Push 'self.graph' onto the call context and then call 'testFun' with 'self'.
dataset/ETHPy150Open anandology/pyjamas/pyjs/src/pyjs/lib/ipaddr.py/_BaseV6._string_from_ip_int--crossover with--dataset/ETHPy150Open ufora/ufora/ufora/BackendGateway/ComputedGraph/ComputedGraphTestHarness.py/ComputedGraphTestHarness.executeTestNoArg