# coding: utf-8importsysimportctypesascassertsys.byteorder=="little""""struct MyStruct {    unsigned char a;    unsigned char b:};struct MainStruct {    union {        struct MyStruct my_struct;        short field_ab;    } my_union;    unsigned char foo;};"""classMyStruct(c.BigEndianStructure):_fields_= [("a",c.c_byte), ("b",c.c_byte)]classMyUnion(c.BigEndianUnion):_fields_= [("my_struct",MyStruct), ("ab",c.c_short)]classMainStruct(c.BigEndianStructure):_fields_= [("my_union",MyUnion), ("foo",c.c_byte)]

TypeError                                 Traceback (most recent call last)Cell In[1], line 28     24 class MyUnion(c.BigEndianUnion):     25     _fields_ = [("my_struct", MyStruct), ("ab", c.c_short)]---> 28 class MainStruct(c.BigEndianStructure):     29     _fields_ = [("my_union", MyUnion), ("foo", c.c_byte)]File ~\AppData\Local\Programs\Python\Python311\Lib\ctypes\_endian.py:31, in _swapped_meta.__setattr__(self, attrname, value)     29         typ = desc[1]     30         rest = desc[2:]---> 31         fields.append((name, _other_endian(typ)) + rest)     32     value = fields     33 super().__setattr__(attrname, value)File ~\AppData\Local\Programs\Python\Python311\Lib\ctypes\_endian.py:21, in _other_endian(typ)     19 if issubclass(typ, Structure):     20     return typ---> 21 raise TypeError("This type does not support other endian: %s" % typ)TypeError: This type does not support other endian: <class '__main__.MyUnion'>