How to customize the formset of InlineModelAdmin.

How to customize the formset of InlineModelAdmin.

Purpose: I want to customize the fields in InlineModelAdmin because I want to hide some fields.

My attempt:

class SKUInline(admin.TabularInline):
    model = models.SKU
    formset = modelformset_factory(models.SKU, fields=('values', 'price',))

@admin.register(models.Goods)
class GoodsAdmin(admin.ModelAdmin):
    inlines = [
        SKUInline,
    ]

Traceback (most recent call last):

  File "E:\Workspace\pyenv\szrz\lib\site-packages\django\core\handlers\exception.py", line 41, in inner

    response = get_response(request)

  File "E:\Workspace\pyenv\szrz\lib\site-packages\django\core\handlers\base.py", line 187, in _get_response

    response = self.process_exception_by_middleware(e, request)

  File "E:\Workspace\pyenv\szrz\lib\site-packages\django\core\handlers\base.py", line 185, in _get_response

    response = wrapped_callback(request, *callback_args, **callback_kwargs)

  File "E:\Workspace\pyenv\szrz\lib\site-packages\django\contrib\admin\options.py", line 552, in wrapper

    return self.admin_site.admin_view(view)(*args, **kwargs)

  File "E:\Workspace\pyenv\szrz\lib\site-packages\django\utils\decorators.py", line 149, in _wrapped_view

    response = view_func(request, *args, **kwargs)

  File "E:\Workspace\pyenv\szrz\lib\site-packages\django\views\decorators\cache.py", line 57, in _wrapped_view_func

    response = view_func(request, *args, **kwargs)

  File "E:\Workspace\pyenv\szrz\lib\site-packages\django\contrib\admin\sites.py", line 224, in inner

    return view(request, *args, **kwargs)

  File "E:\Workspace\pyenv\szrz\lib\site-packages\django\contrib\admin\options.py", line 1512, in change_view

    return self.changeform_view(request, object_id, form_url, extra_context)

  File "E:\Workspace\pyenv\szrz\lib\site-packages\django\utils\decorators.py", line 67, in _wrapper

    return bound_func(*args, **kwargs)

  File "E:\Workspace\pyenv\szrz\lib\site-packages\django\utils\decorators.py", line 149, in _wrapped_view

    response = view_func(request, *args, **kwargs)

  File "E:\Workspace\pyenv\szrz\lib\site-packages\django\utils\decorators.py", line 63, in bound_func

    return func.__get__(self, type(self))(*args2, **kwargs2)

  File "E:\Workspace\pyenv\szrz\lib\site-packages\django\contrib\admin\options.py", line 1409, in changeform_view

    return self._changeform_view(request, object_id, form_url, extra_context)

  File "E:\Workspace\pyenv\szrz\lib\site-packages\django\contrib\admin\options.py", line 1467, in _changeform_view

    formsets, inline_instances = self._create_formsets(request, obj, change=True)

  File "E:\Workspace\pyenv\szrz\lib\site-packages\django\contrib\admin\options.py", line 1840, in _create_formsets

    formsets.append(FormSet(**formset_params))

  File "E:\Workspace\pyenv\szrz\lib\site-packages\django\forms\models.py", line 583, in __init__

    super(BaseModelFormSet, self).__init__(**defaults)

TypeError: __init__() got an unexpected keyword argument 'instance'

[23/Nov/2018 16:46:47] "GET /admin/goods/goods/1/change/ HTTP/1.1" 500 124714

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