Segfault fix (#358)

                           "Check if Installed correctly and the function ale.loads exists.");

     }

     // Create a Python tuple to hold the arguments to the method.

     PyObject *pArgs = PyTuple_New(3);

     if(!pArgs) {

     // Set the Python int as the first and second arguments to the method.

     PyObject *pStringFileName = PyUnicode_FromString(filename.c_str());

     PyTuple_SetItem(pArgs, 0, pStringFileName);

     Py_INCREF(pStringFileName); // take ownership of reference

     PyObject *pStringProps = PyUnicode_FromString(props.c_str());

     PyTuple_SetItem(pArgs, 1, pStringProps);

     Py_INCREF(pStringProps); // take ownership of reference

     PyObject *pStringFormatter = PyUnicode_FromString(formatter.c_str());

     PyTuple_SetItem(pArgs, 2, pStringFormatter);

     Py_INCREF(pStringFormatter); // take ownership of reference 

     // Call the function with the arguments.

     PyObject* pResult = PyObject_CallObject(pFunc, pArgs);

     if(!pResult) {

        throw invalid_argument("No Valid instrument found for label.");

     }

     if(!temp_bytes){

       throw invalid_argument(getPyTraceback());

     }

     std::string cResult;

     char *temp_str = PyBytes_AS_STRING(temp_bytes); // Borrowed pointer

     cResult = temp_str; // copy into std::string

     Py_DECREF(pResultStr);

     Py_DECREF(pStringFileName);

     Py_DECREF(pStringProps);

     Py_DECREF(pStringFormatter);

     Py_DECREF(pArgs);

     return cResult;

 }