form submission using polymer

[naresh aradhyula]

<form is="ajax-form" action="/quizelement/core/" method="get" >

        <paper-input floatinglabel multiline label="username" name="username"></paper-input>

        <paper-input floatinglabel multiline label="password" name="password"></paper-input>
        

        <input type="submit" value="login">
</form>

i am trying to get data from the form to server with backend using django

server code is as follows

def core(request):

if 'username' in request.GET:
   message = request.GET['username']
else:
    message = 'You submitted an empty form.'
return HttpResponse(message)

it is replying as You submitted an empty form  

can someone help me please 

thanks in advance