1898     PyObject *encoding_str = NULL;  in UnicodeEncodeError_str()  local
1909     encoding_str = PyObject_Str(uself->encoding);  in UnicodeEncodeError_str()
1910     if (encoding_str == NULL)  in UnicodeEncodeError_str()
1924             encoding_str,  in UnicodeEncodeError_str()
1932             encoding_str,  in UnicodeEncodeError_str()
1939     Py_XDECREF(encoding_str);  in UnicodeEncodeError_str()
2020     PyObject *encoding_str = NULL;  in UnicodeDecodeError_str()  local
2031     encoding_str = PyObject_Str(uself->encoding);  in UnicodeDecodeError_str()
2032     if (encoding_str == NULL)  in UnicodeDecodeError_str()
2039             encoding_str,  in UnicodeDecodeError_str()
2047             encoding_str,  in UnicodeDecodeError_str()
2055     Py_XDECREF(encoding_str);  in UnicodeDecodeError_str()