Djiango 创建迁移项报错query = query.decode(errors='replace') AttributeError: 'str' object has no attribute 'decode'

在终端命令行创建迁移项 输入（python manage.py makemigrations） 或（python manage.py migrate）时出现报错信息：
Traceback (most recent call last):
File “manage.py”, line 21, in
main()
File “manage.py”, line 17, in main
execute_from_command_line(sys.argv)
File “C:\Program Files (x86)\Python37-32\lib\site-packages\django\core\management_init_.py”, line 381, in execute_from_command_line
utility.execute()
File “C:\Program Files (x86)\Python37-32\lib\site-packages\django\core\management_init_.py”, line 375, in execute
self.fetch_command(subcommand).run_from_argv(self.argv)
File “C:\Program Files (x86)\Python37-32\lib\site-packages\django\core\management\base.py”, line 323, in run_from_argv
self.execute(*args, **cmd_options)
File “C:\Program Files (x86)\Python37-32\lib\site-packages\django\core\management\base.py”, line 364, in execute
output = self.handle(*args, **options)
File “C:\Program Files (x86)\Python37-32\lib\site-packages\django\core\management\base.py”, line 83, in wrapped
res = handle_func(*args, **kwargs)
File “C:\Program Files (x86)\Python37-32\lib\site-packages\django\core\management\commands\makemigrations.py”, line 101, in handle
loader.check_consistent_history(connection)
File “C:\Program Files (x86)\Python37-32\lib\site-packages\django\db\migrations\loader.py”, line 283, in check_consistent_history
applied = recorder.applied_migrations()
File “C:\Program Files (x86)\Python37-32\lib\site-packages\django\db\migrations\recorder.py”, line 73, in applied_migrations
if self.has_table():
File “C:\Program Files (x86)\Python37-32\lib\site-packages\django\db\migrations\recorder.py”, line 56, in has_table
return self.Migration._meta.db_table in self.connection.introspection.table_names(self.connection.cursor())
File “C:\Program Files (x86)\Python37-32\lib\site-packages\django\db\backends\base\base.py”, line 256, in cursor
return self._cursor()
File “C:\Program Files (x86)\Python37-32\lib\site-packages\django\db\backends\base\base.py”, line 233, in _cursor
self.ensure_connection()
File “C:\Program Files (x86)\Python37-32\lib\site-packages\django\db\backends\base\base.py”, line 217, in ensure_connection
self.connect()
File “C:\Program Files (x86)\Python37-32\lib\site-packages\django\db\backends\base\base.py”, line 197, in connect
self.init_connection_state()
File “C:\Program Files (x86)\Python37-32\lib\site-packages\django\db\backends\mysql\base.py”, line 232, in init_connection_state
if self.features.is_sql_auto_is_null_enabled:
File “C:\Program Files (x86)\Python37-32\lib\site-packages\django\utils\functional.py”, line 80, in get
res = instance.dict[self.name] = self.func(instance)
File “C:\Program Files (x86)\Python37-32\lib\site-packages\django\db\backends\mysql\features.py”, line 82, in is_sql_auto_is_null_enabled
cursor.execute(‘SELECT @@SQL_AUTO_IS_NULL’)
File “C:\Program Files (x86)\Python37-32\lib\site-packages\django\db\backends\utils.py”, line 103, in execute
sql = self.db.ops.last_executed_query(self.cursor, sql, params)
File “C:\Program Files (x86)\Python37-32\lib\site-packages\django\db\backends\mysql\operations.py”, line 146, in last_executed_query
query = query.decode(errors=‘replace’)
AttributeError: ‘str’ object has no attribute ‘decode’

**解决方法：**C:\Program Files (x86)\Python37-32\Lib\site-packages\django\db\backends\mysql\operations.py

将decode改为encode即可解决

找到对应文件并打开,修改内容:

然后回到cmd重新输入命令后