Why show "django.core.management.base.SystemCheckError" in Django App & can't run the server

user_16510458 0
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I got "django.core.management.base.SystemCheckError: SystemCheckError: System check identified some issues:" in my Django App.

Here is My settings.py code

'rangefilter',
'csp',
'jazzmin',
'django.contrib.admin',
'django.contrib.auth',
'django.contrib.contenttypes',
'django.contrib.sessions',
'django.contrib.messages',
'django.contrib.staticfiles',
'sales',

And here is my admin.py code.

from django.contrib import admin
from .models import Sale_Data
from import_export.admin import ExportActionMixin
from rangefilter.filters import DateRangeFilter, DateTimeRangeFilter

class Sale_Record(ExportActionMixin, admin.ModelAdmin):
    list_display =("CustomerName","CustomerPhone","Date", "Item", "Qty_Memory", "Qty_HDD", "Total_Qty", "Prices", "SalePerson")
    search_fields =("CustomerName", "CustomerPhone")
    list_filter = ('Date', DateRangeFilter)

admin.site.register(Sale_Data, Sale_Record)

Error show like this Error

django python
1 Answers

list_filter takes a tuple, where the first element is a field name and the second element is a class inheriting from django.contrib.admin.FieldListFilter

class Sale_Record(ExportActionMixin, admin.ModelAdmin):
    list_display =("CustomerName","CustomerPhone","Date", "Item", "Qty_Memory", "Qty_HDD", "Total_Qty", "Prices", "SalePerson")
    search_fields =("CustomerName", "CustomerPhone")
    list_filter = (
        ('Date', DateRangeFilter),
    )

Refs

user_108605960
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