admin.py

from django.contrib import admin
from .models import Customer
from import_export import resources
from import_export.admin import ImportExportModelAdmin

# Register your models here.

class CustomerResource(resources.ModelResource):
    class Meta:
        model = Customer
        skip_unchange = True
        report_skipped = False
        exclude = ('barcode', )

class CustomerAdmin(ImportExportModelAdmin):
    resource_class = CustomerResource

admin.site.register(Customer, CustomerAdmin)