CID 1054819: Unchecked return value (CHECKED_RETURN)

1. check_return: Calling function "PyArg_ParseTuple(PyObject *, char const *, ...)" without checking return value (as is done elsewhere 128 out of 130 times).
    	2. unchecked_value: No check of the return value of "PyArg_ParseTuple(args, "O", &other_o)".