Don't know how to convert the Django field class 'djongo.models.fields.ArrayField'

from djongo.models import Model, CharField, ObjectIdField, IntegerField, ArrayField
from django.forms import ModelForm

class Contact(Model):
name = CharField(max_length=50)
phone_number = IntegerField()

class Meta:
abstract = True

class ContactForm(ModelForm):
class Meta:
model = Contact
fields = ("name", "phone_number")

class Organization(Model):
_id = ObjectIdField()
name = CharField(max_length=50, unique=True)
desk_number = IntegerField()
registered_address = CharField(max_length=256)
communication_address = CharField(max_length=256)
email_address = CharField(max_length=150)
contacts = ArrayField(model_container=Contact, model_form_class=ContactForm, null=False)
type = CharField(max_length=256)
pan_number = CharField(max_length=15)
gst_number = CharField(max_length=25)
member_count = IntegerField()
account_number = IntegerField()
bank_name = CharField(70)
ifsc_code = CharField(10)
registration_year = CharField(4)

class Meta:
"""
to set table name in database
"""
db_table = "organization"

File "D:\miniconda\envs\deeplearning\lib\threading.py", line 932, in _bootstrap_inner
self.run()
File "D:\miniconda\envs\deeplearning\lib\threading.py", line 870, in run
self._target(*self._args, **self._kwargs)
File "D:\miniconda\envs\deeplearning\lib\site-packages\django\utils\autoreload.py", line 53, in wrapper
fn(*args, **kwargs)
File "D:\miniconda\envs\deeplearning\lib\site-packages\django\core\management\commands\runserver.py", line 117, in inner_run
self.check(display_num_errors=True)
File "D:\miniconda\envs\deeplearning\lib\site-packages\django\core\management\base.py", line 392, in check
all_issues = self._run_checks(
File "D:\miniconda\envs\deeplearning\lib\site-packages\django\core\management\base.py", line 382, in _run_checks
return checks.run_checks(**kwargs)
File "D:\miniconda\envs\deeplearning\lib\site-packages\django\core\checks\registry.py", line 72, in run_checks
new_errors = check(app_configs=app_configs)
File "D:\miniconda\envs\deeplearning\lib\site-packages\django\core\checks\urls.py", line 13, in check_url_config
return check_resolver(resolver)
File "D:\miniconda\envs\deeplearning\lib\site-packages\django\core\checks\urls.py", line 23, in check_resolver
return check_method()
File "D:\miniconda\envs\deeplearning\lib\site-packages\django\urls\resolvers.py", line 407, in check
for pattern in self.url_patterns:
File "D:\miniconda\envs\deeplearning\lib\site-packages\django\utils\functional.py", line 48, in __get__
res = instance.__dict__[self.name] = self.func(instance)
File "D:\miniconda\envs\deeplearning\lib\site-packages\django\urls\resolvers.py", line 588, in url_patterns
patterns = getattr(self.urlconf_module, "urlpatterns", self.urlconf_module)
File "D:\miniconda\envs\deeplearning\lib\site-packages\django\utils\functional.py", line 48, in __get__
res = instance.__dict__[self.name] = self.func(instance)
File "D:\miniconda\envs\deeplearning\lib\site-packages\django\urls\resolvers.py", line 581, in urlconf_module
return import_module(self.urlconf_name)
File "D:\miniconda\envs\deeplearning\lib\importlib\__init__.py", line 127, in import_module
return _bootstrap._gcd_import(name[level:], package, level)
File "", line 1014, in _gcd_import
File "", line 991, in _find_and_load
File "", line 975, in _find_and_load_unlocked
File "", line 671, in _load_unlocked
File "", line 783, in exec_module
File "", line 219, in _call_with_frames_removed
File "D:\Work\datascience\deeplearning\main\urls.py", line 26, in
from .schema import schema
File "D:\Work\datascience\deeplearning\main\schema.py", line 14, in
from api.organization.query import Query as QOrganization
File "D:\Work\datascience\deeplearning\api\organization\query.py", line 15, in
class OrganizationType(DjangoObjectType):
File "D:\miniconda\envs\deeplearning\lib\site-packages\graphene\utils\subclass_with_meta.py", line 52, in __init_subclass__
super_class.__init_subclass_with_meta__(**options)
File "D:\miniconda\envs\deeplearning\lib\site-packages\graphene_django\types.py", line 227, in __init_subclass_with_meta__
construct_fields(model, registry, fields, exclude, convert_choices_to_enum),
File "D:\miniconda\envs\deeplearning\lib\site-packages\graphene_django\types.py", line 63, in construct_fields
converted = convert_django_field_with_choices(
File "D:\miniconda\envs\deeplearning\lib\site-packages\graphene_django\converter.py", line 112, in convert_django_field_with_choices
converted = convert_django_field(field, registry)
File "D:\miniconda\envs\deeplearning\lib\functools.py", line 875, in wrapper
return dispatch(args[0].__class__)(*args, **kw)
File "D:\miniconda\envs\deeplearning\lib\site-packages\graphene_django\converter.py", line 120, in convert_django_field
raise Exception(
Exception: Don't know how to convert the Django field organization.Organization.contacts ()