> class CategoryAdmin(admin.ModelAdmin): 
>     list_display = ('name') 
>     list_filter = ('name') 
> admin.site.register(Category, CategoryAdmin) 
>
> But that fails with 'CategoryAdmin.list_display' must be a list or tuple. 
>

use:   list_display = ('name',)

Note the trailing comma, there?

In python, a tuple with a single element must use the form ( x, )  or it is 
indistinguishable from a parenthesised expression. 
 

>
>

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