'MySQLdb.constants.FIELD_TYPE' has no attribute 'JSON'

[LuG]

Where should I set this? 

I do not use JSON in the application.

When you start the application, the error appears below:

intranet | Watching for file changes with StatReloader

intranet | Exception in thread django-main-thread:

intranet | Traceback (most recent call last):

intranet |   File "/usr/local/lib/python3.7/threading.py", line 926, in _bootstrap_inner

intranet |     self.run()

intranet |   File "/usr/local/lib/python3.7/threading.py", line 870, in run

intranet |     self._target(*self._args, **self._kwargs)

intranet |   File "/usr/local/lib/python3.7/site-packages/django/utils/autoreload.py", line 53, in wrapper

intranet |     fn(*args, **kwargs)

intranet |   File "/usr/local/lib/python3.7/site-packages/django/core/management/commands/runserver.py", line 110, in inner_run

intranet |     autoreload.raise_last_exception()

intranet |   File "/usr/local/lib/python3.7/site-packages/django/utils/autoreload.py", line 76, in raise_last_exception

intranet |     raise _exception[1]

intranet |   File "/usr/local/lib/python3.7/site-packages/django/core/management/__init__.py", line 357, in execute

intranet |     autoreload.check_errors(django.setup)()

intranet |   File "/usr/local/lib/python3.7/site-packages/django/utils/autoreload.py", line 53, in wrapper

intranet |     fn(*args, **kwargs)

intranet |   File "/usr/local/lib/python3.7/site-packages/django/__init__.py", line 24, in setup

intranet |     apps.populate(settings.INSTALLED_APPS)

intranet |   File "/usr/local/lib/python3.7/site-packages/django/apps/registry.py", line 114, in populate

intranet |     app_config.import_models()

intranet |   File "/usr/local/lib/python3.7/site-packages/django/apps/config.py", line 211, in import_models

intranet |     self.models_module = import_module(models_module_name)

intranet |   File "/usr/local/lib/python3.7/importlib/__init__.py", line 127, in import_module

intranet |     return _bootstrap._gcd_import(name[level:], package, level)

intranet |   File "<frozen importlib._bootstrap>", line 1006, in _gcd_import

intranet |   File "<frozen importlib._bootstrap>", line 983, in _find_and_load

intranet |   File "<frozen importlib._bootstrap>", line 967, in _find_and_load_unlocked

intranet |   File "<frozen importlib._bootstrap>", line 677, in _load_unlocked

intranet |   File "<frozen importlib._bootstrap_external>", line 728, in exec_module

intranet |   File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed

intranet |   File "/usr/local/lib/python3.7/site-packages/django/contrib/auth/models.py", line 2, in <module>

intranet |     from django.contrib.auth.base_user import AbstractBaseUser, BaseUserManager

intranet |   File "/usr/local/lib/python3.7/site-packages/django/contrib/auth/base_user.py", line 48, in <module>

intranet |     class AbstractBaseUser(models.Model):

intranet |   File "/usr/local/lib/python3.7/site-packages/django/db/models/base.py", line 122, in __new__

intranet |     new_class.add_to_class('_meta', Options(meta, app_label))

intranet |   File "/usr/local/lib/python3.7/site-packages/django/db/models/base.py", line 326, in add_to_class

intranet |     value.contribute_to_class(cls, name)

intranet |   File "/usr/local/lib/python3.7/site-packages/django/db/models/options.py", line 206, in contribute_to_class

intranet |     self.db_table = truncate_name(self.db_table, connection.ops.max_name_length())

intranet |   File "/usr/local/lib/python3.7/site-packages/django/db/__init__.py", line 28, in __getattr__

intranet |     return getattr(connections[DEFAULT_DB_ALIAS], item)

intranet |   File "/usr/local/lib/python3.7/site-packages/django/db/utils.py", line 214, in __getitem__

intranet |     backend = load_backend(db['ENGINE'])

intranet |   File "/usr/local/lib/python3.7/site-packages/django/db/utils.py", line 111, in load_backend

intranet |     return import_module('%s.base' % backend_name)

intranet |   File "/usr/local/lib/python3.7/importlib/__init__.py", line 127, in import_module

intranet |     return _bootstrap._gcd_import(name[level:], package, level)

intranet |   File "/usr/local/lib/python3.7/site-packages/django/db/backends/mysql/base.py", line 29, in <module>

intranet |     from .introspection import DatabaseIntrospection            # isort:skip

intranet |   File "/usr/local/lib/python3.7/site-packages/django/db/backends/mysql/introspection.py", line 16, in <module>

intranet |     class DatabaseIntrospection(BaseDatabaseIntrospection):

intranet |   File "/usr/local/lib/python3.7/site-packages/django/db/backends/mysql/introspection.py", line 27, in DatabaseIntrospection

intranet |     FIELD_TYPE.JSON: 'JSONField',

intranet | AttributeError: module 'MySQLdb.constants.FIELD_TYPE' has no attribute 'JSON'