141 isatty_no_error(PyObject *sys_stream)  in isatty_no_error()  argument
143     PyObject *sys_isatty = PyObject_CallMethod(sys_stream, "isatty", "");  in isatty_no_error()
167     PyObject *sys_stream;  in Py_InitializeEx()  local
352         sys_stream = PySys_GetObject("stdin");  in Py_InitializeEx()
353         if ((overridden || isatty_no_error(sys_stream)) &&  in Py_InitializeEx()
354             PyFile_Check(sys_stream)) {  in Py_InitializeEx()
355             if (!PyFile_SetEncodingAndErrors(sys_stream, icodeset, errors))  in Py_InitializeEx()
359         sys_stream = PySys_GetObject("stdout");  in Py_InitializeEx()
360         if ((overridden || isatty_no_error(sys_stream)) &&  in Py_InitializeEx()
361             PyFile_Check(sys_stream)) {  in Py_InitializeEx()
362             if (!PyFile_SetEncodingAndErrors(sys_stream, codeset, errors))  in Py_InitializeEx()
366         sys_stream = PySys_GetObject("stderr");  in Py_InitializeEx()
367         if ((overridden || isatty_no_error(sys_stream)) &&  in Py_InitializeEx()
368             PyFile_Check(sys_stream)) {  in Py_InitializeEx()
369             if (!PyFile_SetEncodingAndErrors(sys_stream, codeset, errors))  in Py_InitializeEx()