need a help in ListView 1) how to debug the rendered request and response

Here is my code

models.py
=======
class member(models.Model):
    first_name = models.CharField(max_length=30)
    last_name = models.CharField(max_length=30)
    dob       = models.DateField()
   
    def get_fields(self):
        return(self.__dict__.keys()[0:len(self.__dict__.keys())-2])


views.py
======
class ListContactView(ListView):
   
    template_name = 'member_list.html'
    model=member
    member_list = member.objects.all()
    memberobj   = member()
    def listcontacttab(self):
        import tablib
        head=memberobj.get_fields()
        d=tablib.Dataset()
        d.headers=head
        for obj in member_list:
            values=[]
            for mem in head:
                values.append(obj.__dict__[mem].__str__())
            d.append(values)
           
       
        return render_to_response(template_name,{'member_list':d})



template:

<ul>
  {{ d.html }}
</ul>


The output prints only a letter S

where as table as below datas:

|  6 | srk1       |sinn     | 1980-01-01 |
|  7 | x          | x         | 1990-01-01 |

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